(31*10^1+23)/9 = 37
(31*10^2+23)/9 = 347
(31*10^3+23)/9 = 3^2 * 383
(31*10^4+23)/9 = 7^2 * 19 * 37
(31*10^5+23)/9 = 53 * 67 * 97
(31*10^6+23)/9 = 3 * 613 * 1873
(31*10^7+23)/9 = 37 * 930931
(31*10^8+23)/9 = 127 * 2712161
(31*10^9+23)/9 = 3 * 89 * 12900541
(31*10^10+23)/9 = 7 * 17 * 37 * 587 * 13327
(31*10^11+23)/9 = 47 * 701 * 10454501
(31*10^12+23)/9 = 3^4 * 2083 * 20414789
(31*10^13+23)/9 = 37 * 173 * 5381103647<10>
(31*10^14+23)/9 = 103 * 3344120819849<13>
(31*10^15+23)/9 = 3 * 1148148148148149<16>
(31*10^16+23)/9 = 7 * 37 * 193 * 401 * 1718374181<10>
(31*10^17+23)/9 = 113 * 14699 * 207373353581<12>
(31*10^18+23)/9 = 3 * 53 * 21663172606568833<17>
(31*10^19+23)/9 = 37 * 217855133 * 4273165007<10>
(31*10^20+23)/9 = 2063 * 16411 * 10173840177379<14>
(31*10^21+23)/9 = 3^2 * 382716049382716049383<21>
(31*10^22+23)/9 = 7 * 19 * 37 * 500355199 * 13989023593<11>
(31*10^23+23)/9 = 14173 * 437651 * 55530229982089<14>
(31*10^24+23)/9 = 3 * 49606069 * 23145316113400321<17>
(31*10^25+23)/9 = 37 * 48691064957<11> * 19119132673583<14>
(31*10^26+23)/9 = 17 * 20261437908496732026143791<26>
(31*10^27+23)/9 = 3 * 29 * 1957330610839<13> * 20227198836079<14>
(31*10^28+23)/9 = 7 * 37 * 32682161 * 4069196433801699653<19>
(31*10^29+23)/9 = 396689879 * 798046003 * 1088028164131<13>
(31*10^30+23)/9 = 3^2 * 1093 * 61357 * 290384921 * 19652523998623<14>
(31*10^31+23)/9 = 37 * 53^2 * 218579 * 9572688233<10> * 158388399937<12>
(31*10^32+23)/9 = 3347 * 30223 * 3405068874937750535425387<25>
(31*10^33+23)/9 = 3 * 2473 * 177609629 * 2614010370519088102097<22>
(31*10^34+23)/9 = 7 * 37 * 15307 * 7333463 * 1184732310746357932313<22>
(31*10^35+23)/9 = 486738694366777<15> * 707657822217215858711<21>
(31*10^36+23)/9 = 3 * 1148148148148148148148148148148148149<37>
(31*10^37+23)/9 = 37 * 149 * 605261 * 4529509 * 2278963523058567935431<22>
(31*10^38+23)/9 = 67 * 10799 * 751718640556861<15> * 633294214953809719<18>
(31*10^39+23)/9 = 3^3 * 2862751 * 44562735795360948190827173976211<32>
(31*10^40+23)/9 = 7 * 19 * 37 * 30363532151107<14> * 230522610111947120012701<24>
(31*10^41+23)/9 = 191 * 1831 * 18427 * 53449400324102194284916549522741<32>
(31*10^42+23)/9 = 3 * 17 * 577 * 4783 * 269761 * 1016802625981<13> * 89218926259463687<17>
(31*10^43+23)/9 = 37 * 145031 * 6418841012824368107031813411828718901<37>
(31*10^44+23)/9 = 53 * 3709 * 6368189 * 8613811 * 15633271 * 60573089 * 33732274111<11>
(31*10^45+23)/9 = 3 * 2281 * 173429 * 250799 * 11572444961075553400867206175799<32>
(31*10^46+23)/9 = 7^2 * 37 * 107 * 431 * 1167409 * 392454343 * 35597245891<11> * 25259907586171<14>
(31*10^47+23)/9 = 36778178663<11> * 9365456827011565611971763356715640969<37>
(31*10^48+23)/9 = 3^2 * 103 * 1753 * 67057 * 2122407118262333387<19> * 14893086796873511243<20>
(31*10^49+23)/9 = 37 * 59 * 887 * 1217 * 55441 * 19213624005850537<17> * 13721794400456375063<20>
(31*10^50+23)/9 = 127 * 1973 * 23149261 * 59381511329776281241768462684485108337<38>
(31*10^51+23)/9 = 3 * 544687733 * 10634513363<11> * 198213264289978354986881205954331<33>
(31*10^52+23)/9 = 7 * 37 * 373567 * 38870467 * 4201371791<10> * 2179917420662405539139012567<28>
(31*10^53+23)/9 = 89 * 467 * 1433880979<10> * 11224830781<11> * 514895849352548191082604304331<30>
(31*10^54+23)/9 = 3 * 106109 * 1182817 * 5182959343<10> * 120166874963411<15> * 14688098659747491821<20>
(31*10^55+23)/9 = 29 * 37 * 607 * 3739 * 13099212571<11> * 70929069791777<14> * 15223196459206609456729<23>
(31*10^56+23)/9 = 61 * 173 * 2903 * 3929 * 4264109 * 384071169899<12> * 1747326951203565968909360647<28>
(31*10^57+23)/9 = 3^2 * 47 * 53 * 283 * 613 * 773 * 634679 * 1805187903496665707138132819098739715041<40>
(31*10^58+23)/9 = 7 * 17 * 19 * 37 * 6421 * 11969543 * 5357185180834970551231769729851690750185757<43>
(31*10^59+23)/9 = 947 * 176368135661<12> * 545201341679<12> * 3782615217116110405173697922404279<34>
(31*10^60+23)/9 = 3 * 503 * 740524579 * 29693924371<11> * 656464024810060657<18> * 158129150393653926491<21>
(31*10^61+23)/9 = 37 * 145681 * 253770899 * 17509841202245026331239<23> * 1438104749994083285089991<25>
(31*10^62+23)/9 = 397 * 34628357 * 2103705881<10> * 11910000243960525710306097555448071350693303<44>
(31*10^63+23)/9 = 3 * 881 * 12155467 * 320322332750050723<18> * 334705735193519327780071697117046469<36>
(31*10^64+23)/9 = 7 * 37 * 36197774441<11> * 5550225257722892567<19> * 661952674747322525405693311558939<33>
(31*10^65+23)/9 = 7198199 * 1568006226123015784014318323<28> * 30517401583356738533569075318211<32>
(31*10^66+23)/9 = 3^3 * 151 * 1043188169<10> * 809870947771286992587736208121348711149038313336408419<54>
(31*10^67+23)/9 = 37^2 * 52685471 * 22463721541<11> * 21259016173526241249957697063716448555830130133<47>
(31*10^68+23)/9 = 5413 * 201062129 * 24706860161<11> * 2355474748398061<16> * 5438196179838103699206203504591<31>
(31*10^69+23)/9 = 3 * 15329 * 2052331 * 3871883 * 19690071796996189<17> * 478704130955224005139711469482875073<36>
(31*10^70+23)/9 = 7 * 37 * 53 * 331 * 237941414376504382658549<24> * 31859981415782969793535206522954496083319<41>
(31*10^71+23)/9 = 67 * 33587 * 153064038389250835964183212518900322772556565926335413374864050743<66>
(31*10^72+23)/9 = 3 * 351380967917500310311<21> * 3267530836837237093149731144610886709129690502481859<52>
(31*10^73+23)/9 = 37 * 1161683 * 336481373 * 848427955603<12> * 354243214757191<15> * 7924142710936534625537483604433<31>
(31*10^74+23)/9 = 17 * 406177 * 1431214643<10> * 34853802385362960120371736114334112580127288003230854248181<59>
(31*10^75+23)/9 = 3^2 * 1733 * 22621 * 53611 * 11105299 * 16397670236247123090704117099378911718370803072418424679<56>
(31*10^76+23)/9 = 7 * 19 * 37 * 8215542201880148728241962744603<31> * 851980369851835244438941058784475212050869<42> (Makoto Kamada / msieve 0.81 for P31 x P42 / 4.8 minutes)
(31*10^77+23)/9 = 1579027 * 2746357853<10> * 925604250451<12> * 186313657798800573193<21> * 460577237116222068633750461659<30>
(31*10^78+23)/9 = 3 * 179 * 1364423 * 16609253 * 257610322166983311707897<24> * 1098708554044926087583493795035866362917<40>
(31*10^79+23)/9 = 37 * 143821 * 100203541098750779708933<24> * 64596961000351940987429631393231062288505953402867<50>
(31*10^80+23)/9 = 3511 * 13102483 * 717225314058481<15> * 10439486588705788085712808393541853455882174394314980499<56>
(31*10^81+23)/9 = 3 * 89981699 * 3046302605587<13> * 16481980026180445822358915351<29> * 254133147385771817455244308958123<33>
(31*10^82+23)/9 = 7 * 37 * 103 * 715019868191<12> * 34689994998397<14> * 52054688110494784213905326093001223179415873399343393<53>
(31*10^83+23)/9 = 29^2 * 53 * 192945113 * 74138648625138791690536151<26> * 540217775640400554203658004325645429521584853<45>
(31*10^84+23)/9 = 3^2 * 941 * 406712060980569659280250849503417693286627045040080817622440009971005365975256163<81>
(31*10^85+23)/9 = 37 * 109 * 120085117 * 193450711 * 3711040943394107471872036303<28> * 99068525854206992306819499919838070019<38>
(31*10^86+23)/9 = 37362006221<11> * 7290029803502591<16> * 1264618969883386178794392787635410894276031396692388036197477<61>
(31*10^87+23)/9 = 3 * 131 * 1278721 * 1882975277<10> * 95611431533735971193<20> * 38071185274227857248377046730521429456587697334459<50>
(31*10^88+23)/9 = 7^2 * 37 * 5278702213<10> * 310308489124580231480923430783<30> * 11598466185258624881341163787798519880420229561<47> (Makoto Kamada / msieve 0.83 for P30 x P47 / 11 minutes)
(31*10^89+23)/9 = 31013137 * 38004949 * 63701427730237331<17> * 4587585447863545398744895693483969040003356112526057673249<58>
(31*10^90+23)/9 = 3 * 17 * 227 * 11833 * 486144671 * 196966140780853<15> * 35519971482489224880816498649<29> * 7392623235064789042933524087541<31>
(31*10^91+23)/9 = 37 * 919 * 3061160939813<13> * 1546244256458273<16> * 659760260979855638929<21> * 324378105499110473456308577015587048369<39>
(31*10^92+23)/9 = 127 * 181 * 182057 * 1170911321<10> * 70291935453014296118697569886792453145367025483121359026285460902012691773<74>
(31*10^93+23)/9 = 3^6 * 571 * 55394797 * 149377976680498580059594955889520493624833495887778753347009644425789289493939689<81>
(31*10^94+23)/9 = 7 * 19^2 * 37 * 244010196763732714283303<24> * 1509747236304956929872756221531937233419181313046842411604137234251<67>
(31*10^95+23)/9 = 11701 * 21467 * 27494833 * 287741344308461<15> * 173329104922057489624504337302873492083720843368037848272144164557<66>
(31*10^96+23)/9 = 3 * 53 * 144671687054161<15> * 149740236308012030337692018306562789964009446474249333959118822931747042464450353<81>
(31*10^97+23)/9 = 37 * 89 * 76919 * 135985882556293484701903831263754755430151304784345728774210450031403373391172901850338541<90>
(31*10^98+23)/9 = 1511 * 7131763916965433<16> * 31963752689766373089766941968295275501952128396714380802494248640884487782553169<80>
(31*10^99+23)/9 = 3 * 107 * 173 * 512564897561743615363981<24> * 121009422453693052277449619016273183016351738568209715880221335964436839<72>
(31*10^100+23)/9 = 7 * 37 * 3119 * 398556449587<12> * 1030768166499370507147862728349<31> * 103789449025826258222903081293083015287136899029037389<54> (Makoto Kamada / GGNFS-0.70.5 for P31 x P54 / 0.67 hours)
(31*10^101+23)/9 = 97 * 42941372879<11> * 110824021687<12> * 746169715935585023297963681113750571888677783508851070337371786010839230367287<78>
(31*10^102+23)/9 = 3^2 * 233 * 7356410835253<13> * 223282547514308306302490787006672726623370744038863389257857642849281018348772774625267<87>
(31*10^103+23)/9 = 37 * 47 * 616135058281<12> * 32147239176582375400329409630308975382438927380917106161665223380494271703626654784825333<89>
(31*10^104+23)/9 = 67 * 2251 * 4547 * 136649 * 467633 * 1469851 * 43275327175840298384872716149<29> * 123571594761223816782862139600353292227238704414091<51>
(31*10^105+23)/9 = 3 * 87415901 * 3198714675065427922561621520496084003147464052427<49> * 4106123321616776594835801868588745437723505467787<49> (Serge Batalov / Msieve 1.38 for P49(3198...) x P49(4106...) / 0.01 hours, 0.03 hours / Nov 19, 2008)
(31*10^106+23)/9 = 7 * 17^2 * 37 * 557095749653<12> * 647719976999<12> * 734484654703<12> * 440682870472464899<18> * 587685606392393310230777<24> * 6704254471606730796363979<25>
(31*10^107+23)/9 = 59 * 43640839617472861<17> * 108430003701160481<18> * 1233742718946481460766556143017991267409679609317653339327777510144369713<73>
(31*10^108+23)/9 = 3 * 223 * 613 * 26321 * 32363 * 66660839637703797959802996348497475557<38> * 147914467409319341807551757070456364919452883686409154841<57> (Sinkiti Sibata / Msieve 1.38 for P38 x P57 / 3.16 hours / Nov 19, 2008)
(31*10^109+23)/9 = 37 * 53 * 1260520284383<13> * 69802549992863458713524079329578454901797<41> * 199627543953063622202577954734848009773487912524010277<54> (Serge Batalov / Msieve-1.38 snfs for P41 x P54 / 0.44 hours on Opteron-2.8GHz; Linux x86_64 / Nov 19, 2008)
(31*10^110+23)/9 = 3571 * 13502100713<11> * 7143778676889539935021658743711350760537676216523213411991928261491113299608191188682386352186589<97>
(31*10^111+23)/9 = 3^2 * 29 * 17889673673<11> * 1672833398549<13> * 28332948705898419601<20> * 283143664741930674467281<24> * 54969899567935539398839931486816847272037871<44>
(31*10^112+23)/9 = 7 * 19 * 37 * 3989 * 17581 * 301794982999<12> * 212139299573899<15> * 18612797109335061838501886347054939<35> * 83755516156418833016760481249794215610857<41> (Makoto Kamada / Msieve 1.38 for P35 x P41 / 6.8 minutes on Pentium 4 3.06GHz, Windows XP and Cygwin / Nov 18, 2008)
(31*10^113+23)/9 = 59183 * 150410341 * 15593282239570859<17> * 208432002088544219<18> * 8225162552729248113717193<25> * 1447431711200994463610155182570627953913133<43>
(31*10^114+23)/9 = 3 * 857 * 10181 * 103168282603<12> * 841340078203<12> * 480013375977651846917<21> * 3158315794269772582550072065956413680077539941379330917703500349<64>
(31*10^115+23)/9 = 37 * 47807 * 139312449151957889<18> * 3975100330099347670994035324751549335101971<43> * 35163164054974719903847065656342696717857873144607<50> (Sinkiti Sibata / Msieve 1.38 for P43 x P50 / 2.26 hours on On binary, Windows Vista / Nov 19, 2008)
(31*10^116+23)/9 = 61 * 103 * 1539511135911716295637<22> * 16577521209685874321282377576121847403429763<44> * 2148076271608348625324510255199205373704302291139<49> (Sinkiti Sibata / Msieve 1.38 for P44 x P49 / 14.53 hours on On binary, Windows 2000 / Nov 20, 2008)
(31*10^117+23)/9 = 3 * 119586389914546404263<21> * 12024273822630588500331431<26> * 313629502092733464977867364119<30> * 2545894529474613375059851504692297708234307<43> (Makoto Kamada / GMP-ECM 6.2.1 B1=25e4, sigma=3387466860 for P30 x P43 / Nov 15, 2008)
(31*10^118+23)/9 = 7 * 37 * 21911 * 1044941 * 5808519499956568077444908461485957770590075489802585751358098100650085630474166712211625805047255416028383<106>
(31*10^119+23)/9 = 5614611093916152503429<22> * 61347872307251261587979336625248004378867274970626150953031286615806637671816456837398739025193043<98>
(31*10^120+23)/9 = 3^3 * 19725851 * 157137530004674651<18> * 54204446176358550691331299450593801518802911<44> * 759285031162886117655652650922885658998240238735051<51> (Sinkiti Sibata / Msieve 1.38 for P44 x P51 / 2.4 hours / Nov 19, 2008)
(31*10^121+23)/9 = 37 * 695118101 * 5253652027504337140588603<25> * 3411293701541447745309766966427<31> * 74727154625486117499499361896060141107266879011432840351<56> (Makoto Kamada / GMP-ECM 6.2.1 B1=25e4, sigma=600940497 for P31 x P56 / Nov 15, 2008)
(31*10^122+23)/9 = 17 * 53 * 52721 * 4980539 * 388359919202466581<18> * 1193291471786433542641<22> * 3141618676482212292172266925405352781103663251518919750308786029067653<70>
(31*10^123+23)/9 = 3 * 84606897082627201<17> * 6319917590226352894125890044416029503902005597444263<52> * 2147240780066801934686523205080673857557725977524797123<55> (Sinkiti Sibata / GGNFS-0.77.1-20050930-pentium4 snfs for P52 x P55 / 4.46 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Nov 19, 2008)
(31*10^124+23)/9 = 7 * 37 * 520309 * 4786652834032321999853<22> * 2534421491460350526018797<25> * 21069164277293792011009413364815074016398767780003541408529337972338457<71>
(31*10^125+23)/9 = 1823 * 88919 * 5362247785733<13> * 3353514347319896147<19> * 9626732503624230352177<22> * 12274731307802589793187520540411440485809429072051091881899375753<65>
(31*10^126+23)/9 = 3 * 4133 * 2102648552502548542654457<25> * 132119169743107013397516598814371008534658111454659586995214067791283178529186529460765426055605529<99>
(31*10^127+23)/9 = 37 * 97270187898068637736016992651793<32> * 9570567828104454237196160316745951642829132145921976310013121355514932688368360314674485545667<94> (Serge Batalov / Msieve-1.38 snfs for P32 x P94 / 2.40 hours on Opteron-2.6GHz; Linux x86_64 / Nov 19, 2008)
(31*10^128+23)/9 = 16843 * 85379477275895844315105998660497969913412719107941553679<56> * 239522460420870238976438445828349706474920058303140588513872318793651<69> (Sinkiti Sibata / GGNFS-0.77.1-20050930-pentium4 snfs for P56 x P69 / 6.36 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Nov 20, 2008)
(31*10^129+23)/9 = 3^2 * 113 * 1307 * 2023778357<10> * 1808155721885738375046960285070261414171<40> * 708147729052792909331890541107232260936223443052897711922138946192172196179<75> (Erik Branger / GGNFS, Msieve snfs for P40 x P75 / 5.59 hours / Nov 24, 2008)
(31*10^130+23)/9 = 7^3 * 19 * 37 * 229 * 623784037402300152125432731814562873807992218491329650387619702672775154353398153791213796185676916824811514749084812734267<123>
(31*10^131+23)/9 = 7176048337<10> * 58814456815850728043978098245622984007914608133<47> * 816111952757307914009314203227325907496851007454861051529854391178893476707<75> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P47 x P75 / 4.01 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Nov 20, 2008)
(31*10^132+23)/9 = 3 * 2297 * 193937 * 113221838034086314271<21> * 128001041209174255487204192912085552014267<42> * 177841272808507424123091401292295891898695805385853038162258313<63> (Sinkiti Sibata / Msieve 1.38 for P42 x P63 / 30.03 hours on On binary, Windows Vista / Nov 21, 2008)
(31*10^133+23)/9 = 37 * 1913 * 11597 * 234121 * 254243681 * 50200600909<11> * 14042918624486782163035355805986129905843471192314670993701797650160758476173431435347874947860029019<101>
(31*10^134+23)/9 = 127 * 10169 * 266708720609451795711100081414987842814269123036776465484837308110603590226312673645659569375541106825704216415371129056306254569<129>
(31*10^135+23)/9 = 3 * 53 * 14827 * 80153 * 175333 * 5320146285913004033923822786340081282766713399367469351<55> * 19541673492807033009504105677720911572680933743819569639669768521<65> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P55 x P65 / 7.27 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Nov 20, 2008)
(31*10^136+23)/9 = 7 * 37 * 191 * 76280803889<11> * 230857778558202023809686931408875980413732116091<48> * 39539054474929483767587850106894599968633750590814267323704018007244123137<74> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P48 x P74 / 6.15 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Nov 20, 2008)
(31*10^137+23)/9 = 67 * 23731446511<11> * 216630783757611623303084104145880024437498030765016754903936199943052049628909355437289762836356600257849400564075368154410331<126>
(31*10^138+23)/9 = 3^2 * 17 * 35449 * 76597193 * 425331164615134287079987318339223<33> * 19493225429670552729857527935947134128408399799387896828008900400424185200391198127920568609<92> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=2764368724 for P33 x P92 / Nov 19, 2008)
(31*10^139+23)/9 = 29 * 37 * 359 * 331313810704688044833753059<27> * 2473477119213667851398376330277761733597789180593671<52> * 109113271405889587593078488061443066335576018058528503189<57> (Sinkiti Sibata / Msieve for P52 x P57 / 10.22 hours / Nov 20, 2008)
(31*10^140+23)/9 = 25693 * 450063417311<12> * 249367840632198561809209567<27> * 119451115416055595596212434662069471837599815073445310726897363882830343550646422275623462514380267<99>
(31*10^141+23)/9 = 3 * 89 * 151 * 26064697 * 2350566219110645571032862479372843<34> * 1549081274511290351303642137676399869628903<43> * 900184644644614901232675640022748801919586985760172207<54> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=2830981924 for P34 / Nov 19, 2008) (Robert Backstrom / Msieve 1.38 for P43 x P54 / 3.57 hours / Nov 20, 2008)
(31*10^142+23)/9 = 7 * 37 * 173 * 32031673 * 12736060439<11> * 372546828293<12> * 35106681140227<14> * 63064060992753333563442403816667<32> * 2284578076622266880180728159657091165236588456548603773699038939<64> (Sinkiti Sibata / Msieve 1.38 for P32 x P64 / 4.8 hours / Nov 20, 2008)
(31*10^143+23)/9 = 461 * 777152531 * 46956944017<11> * 18206455555273<14> * 1124570697129155986048113366090991319076011423869470216701093750724784732475340998709836333590024857333406337<109>
(31*10^144+23)/9 = 3 * 28081 * 12198479 * 74631544459542509715103237<26> * 159211005704693000085823595910997363902059699<45> * 282087708148123545945056068424813008842460110880541912155624277<63> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P45 x P63 / 21.60 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Nov 21, 2008)
(31*10^145+23)/9 = 37 * 930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930930931<144>
(31*10^146+23)/9 = 1459 * 314545981 * 750550212046092094677564529433301721899896345555704168446403249039257217910150276734282407350462486920757939321715971010600224702139593<135>
(31*10^147+23)/9 = 3^3 * 2731 * 76882862371451<14> * 70656189373790719<17> * 8599119115098656112577326554841899461576959914377179871335720278241691911007234859850737213391085413810496811899<112>
(31*10^148+23)/9 = 7 * 19 * 37 * 53 * 167 * 2379431 * 332353581521585989299453624322164620556698057050164256623037728355076845694510492838531409488746212394566324339692918315292433877078347<135>
(31*10^149+23)/9 = 47 * 23357 * 4618535921<10> * 67935994916974228823071714616834011849347373078515037389311986765690685192857647615199821006335651999660077746582317762019054334359733<134>
(31*10^150+23)/9 = 3 * 103 * 23909 * 30109 * 8891629155809<13> * 3934312406963770187367961<25> * 442642161160236878811214518398703852292758119933725693247577787066403407477802821349124126298059255307<102>
(31*10^151+23)/9 = 37 * 813097 * 661308922236046130574180250788845131268232439494137<51> * 1731293583610207200485057312737901737674537238871160790344877979353997153175128440849742800979<94> (Jo Yeong Uk / GGNFS-0.77.1-20050930-nocona snfs for P51 x P94 / 11.38 hours on Core 2 Quad Q6700 / Nov 20, 2008)
(31*10^152+23)/9 = 107 * 677 * 487387 * 73614591348542831536038340486350437160072591338127130900413721<62> * 132528380627864005990141182168512501174418120784716384110004695241628977470486099<81> (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp snfs for P62 x P81 / 29.59 hours / Nov 24, 2008)
(31*10^153+23)/9 = 3 * 33179 * 20826677 * 8057751421933845833175419115668072017469321<43> * 206205758933494869507949855300183014699121320329094444631862433555090877799400218997532783562912443<99> (Serge Batalov / Msieve-1.38 snfs for P43 x P99 / 20.00 hours on Linux x86_64 / Nov 21, 2008)
(31*10^154+23)/9 = 7 * 17 * 37 * 917585479980913<15> * 67709218824799436689325098690159<32> * 125914621130509991249162570949745545096358619356950620399456369625999088541498055440116472305188849960347<105> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=145261113 for P32 x P105 / Nov 19, 2008)
(31*10^155+23)/9 = 743 * 3877 * 320293 * 87542518061<11> * 23516095857499575558307056793<29> * 181343864352268877571212976251901069010084878705008449185231497922778887753953648570248794590546447878493<105> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=980145216 for P29 x P105 / Nov 19, 2008)
(31*10^156+23)/9 = 3^2 * 4289 * 7215659571846059<16> * 303956505946913182950607<24> * 51649903737974328420181129<26> * 30062121943635127503267133496219<32> * 26202576715893157235293141992702086950253009011391537369<56> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=1420406366 for P32 x P56 / Nov 19, 2008)
(31*10^157+23)/9 = 37 * 5003 * 137062009031584687162325943108145597979<39> * 1357593856795359123077509588134425961575969533810088621185776166177182280010278618966059027685150731758000076456763<115> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon, Msieve 1.38 snfs for P39 x P115 / 25.37 hours, 1.82 hours / Nov 22, 2008)
(31*10^158+23)/9 = 463701961 * 249527579366267<15> * 549137802782512247<18> * 5421011849668675194361331756611575043739221931209329662861893959767928624161418716763606848979771020718886355646588323<118>
(31*10^159+23)/9 = 3 * 613 * 940159601 * 872414269484185702266371<24> * 1759350640951235983802653000443421<34> * 1297958197696264842367684680459641926932791865207538657801988824704302956368078443290370503<91> (Makoto Kamada / GMP-ECM 6.2.1 B1=25e4, sigma=2305279076 for P34 x P91 / Nov 16, 2008)
(31*10^160+23)/9 = 7 * 37 * 132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990132990133<159>
(31*10^161+23)/9 = 53 * 397 * 16370155622092317116317876738008861006817377712297155289408509312506270825742333750508266928589156620143740527752694474808442775744710063421151297202815666767<158>
(31*10^162+23)/9 = 3 * 13217223281<11> * 4476677086599604784503<22> * 129653336214424808786293<24> * 436220575093412581749799163<27> * 343093185163249627397996701984631446087732075376310346213874221647766486513338677<81>
(31*10^163+23)/9 = 37 * 52804357 * 73585381 * 87426119761<11> * 1427741124299927<16> * 15699825161401727<17> * 12550753235257192080329761873<29> * 2631900271857166377842244662132377<34> * 3701105378965515622213343229478943271896107<43> (Makoto Kamada / Msieve 1.38 for P34 x P43 / 8.5 minutes on Pentium 4 3.06GHz, Windows XP and Cygwin / Nov 18, 2008)
(31*10^164+23)/9 = 1187 * 19751765838087181<17> * 77076343049421473843<20> * 97197921667542870019<20> * 26225390858497213055695898321<29> * 74776044450002424378739770286018531603258310157404917007158902194661257092993<77> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=1882111869 for P29 x P77 / Nov 20, 2008)
(31*10^165+23)/9 = 3^2 * 59 * 6173 * 466397626936099519680069371<27> * 1644796023598935103797296059<28> * 1369808973564683147705275392972444898719290994549052453035524314973372726966823338121683556849872616382321<106>
(31*10^166+23)/9 = 7 * 19 * 37 * 3191371129640080919489<22> * 30931033777436558908625985247<29> * 61798914931319480887285014377816703853<38> * 1147395711679263505648383683460557746640664861931176587561400962806755863693<76> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon, Msieve 1.38 gnfs for P38 x P76 / 24.47 hours, 0.94 hours / Nov 21, 2008)
(31*10^167+23)/9 = 29 * 446166146755871<15> * 35859278686887841<17> * 17261346807760160851<20> * 166754940289037004609267911<27> * 2903916704097012988465468787854787906046359<43> * 88814828170411516711524534020787854062092569687<47> (Sinkiti Sibata / Msieve 1.38 for P43 x P47 / 1.24 hours on On binary, Windows Vista / Nov 19, 2008)
(31*10^168+23)/9 = 3 * 85109 * 238273709 * 32684927772872154346952257<26> * 15092525737173056895491617742303<32> * 114772241120213222961803929166138640048302019036899859085916390132905972403338977426015846141483899<99> (Makoto Kamada / GMP-ECM 6.2.1 B1=25e4, sigma=24984339 for P32 x P99 / Nov 16, 2008)
(31*10^169+23)/9 = 37 * 1049 * 184039 * 4093623094878874617067367543<28> * 71089222420470519987060723122743432410918632642974202029<56> * 16569922963272521761078068102437369922025373749414100129260936324165493837143<77> (Jo Yeong Uk / GGNFS/Msieve v1.39 snfs for P56 x P77 / 48.87 hours on Core 2 Quad Q6700 / Sep 5, 2009)
(31*10^170+23)/9 = 17 * 67 * 88327 * 9440546194507<13> * 1552639791119087352981288123002496139672359803957855921458315665885581003<73> * 233579189183869137992954603034611668015422286381180706109516775369226985993419<78> (Erik Branger / GGNFS, Msieve snfs for P73 x P78 / 117.52 hours / May 6, 2009)
(31*10^171+23)/9 = 3 * 3217351 * 62013103 * 5754611686958294091409194347714814822214983720791005451888345912972491091750450302153727076311401291836060942186853291775443107860796506932719519940579462733<157>
(31*10^172+23)/9 = 7^2 * 37 * 33413 * 5913569267<10> * 10776617477861213821<20> * 256803815017254607051<21> * 2356541639898055634820700951<28> * 1456936485567887857084177560589<31> * 10119441524742784202160641988717855478038409068232613596681<59> (Makoto Kamada / GMP-ECM 6.2.1 B1=25e4, sigma=1642835896 for P31 x P59 / Nov 16, 2008)
(31*10^173+23)/9 = 9492103471<10> * 27069297163<11> * 92908475405229428506788810564397<32> * 1271867235151492354244516276979799369<37> * 11344428648092218894095486717270656404383494382905349632292223973872748424954682767623<86> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=205771521 for P32 / Nov 19, 2008) (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=2246719298 for P37 x P86 / Jan 19, 2009)
(31*10^174+23)/9 = 3^4 * 53 * 839 * 2576459 * 38572533944759387<17> * 3653024110435152677285129016086910458005293172585625393<55> * 2634161456395797827646263406539006445080140208288850114307294201266976688861729089224671069<91> (Wataru Sakai / for P55 x P91 / Sep 3, 2011)
(31*10^175+23)/9 = 37 * 263 * 347 * 458959 * 582451 * 38159172758955130166011688758841587504628456747196460888044551828907902293634119950990270878587901348536791164336004199639573951303047006388675305001422976219<158>
(31*10^176+23)/9 = 61 * 127 * 6269 * 93623059 * 328309320318647<15> * 202720502544193253155472756683183303<36> * 2266172878279014315730607731434242315087398795693843<52> * 502262330982835789656318035407776239301869911590546746313137<60> (Serge Batalov / GMP-ECM 6.2.1 for P36 / Nov 20, 2008) (Robert Backstrom / GGNFS-0.77.1-20051202-athlon gnfs for P52 x P60 / 21.91 hours / Nov 22, 2008)
(31*10^177+23)/9 = 3 * 111581 * 886833227724343<15> * 13254045645043572257091523693520891<35> * 875421607153306863297223929188753906423199002422805403873143557144062180284928718909392945416795016973639695922753727364733<123> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=3001664386 for P35 x P123 / Nov 19, 2008)
(31*10^178+23)/9 = 7 * 37^2 * 7823 * 25847 * 7425726383081654544236875782791930954367367334881<49> * 2393840887093121845768930496778852904498882715267122723163210056079688472851594998868490782363996951675964840457696569<118> (matsui / Msieve 1.47 snfs for P49 x P118 / Sep 17, 2010)
(31*10^179+23)/9 = 52639 * 4911161 * 163395509 * 250343153 * 13451717611<11> * 18849076193873<14> * 353646670031016527175908102419118341663185306947399<51> * 363257144279288024180144918237576019310250715262571654967211891753076588328697<78> (Robert Backstrom / Msieve 1.44 gnfs for P51 x P78 / Feb 24, 2012)
(31*10^180+23)/9 = 3 * 331 * 5287951 * 599622015451663<15> * 75528056168291383<17> * 9791890491902833628964733769220893989<37> * 1479210866061036099842499581923246436338566611460096089904032758937746261778413647337458348251152785509<103> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=1047575613 for P37 x P103 / May 27, 2011)
(31*10^181+23)/9 = 37 * 16537795801218222521<20> * 12831453429634028414986366543852691254427850658434162248042079400274223227<74> * 4386963116135619804448324712228603111859753452107903321760474123323490978353565181673393<88> (Dmitry Domanov / Msieve 1.50 snfs for P74 x P88 / Jul 1, 2013)
(31*10^182+23)/9 = 62819 * 286525547005940112288931<24> * 19136601595155686703010268046883708239354524119506916840005291316230850680110942907113119016571390987123465154077308817665111089950700690632313050691086823<155>
(31*10^183+23)/9 = 3^2 * 2816747704066727<16> * 743352780378090141352876669310110314136598750751513820063<57> * 182782139193562752955402747359789815819945760798645225098359214326612933991587954787513862261138914341515693983<111> (Dmitry Domanov / Msieve 1.50 snfs for P57 x P111 / Jul 1, 2013)
(31*10^184+23)/9 = 7 * 19 * 37 * 103 * 355441 * 237349828833458037266370999935411<33> * 805512250524160053024218670593153283285936169981890369660778171822088933584384586054521660133841097184028353756005935093638355078054636670619<141> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=3841333516 for P33 x P141 / Nov 20, 2008)
(31*10^185+23)/9 = 89 * 149 * 173 * 4539675432697<13> * 2557729360299120233<19> * 1022579180672725806642764401<28> * 12645047562808213654605202158659903565008945162904341510038955042811914897961157999970801206576664227701516462385725818999<122>
(31*10^186+23)/9 = 3 * 17 * 75366220973<11> * 83615623733<11> * 5047924110512241526894469103113508444376766602863919926198083233151366771<73> * 2123107663885151254201031345475348458840732434320763775262761545402065888954144484073273623<91> (Dmitry Domanov / Msieve 1.50 snfs for P73 x P91 / Aug 8, 2014)
(31*10^187+23)/9 = 37 * 53 * 1327 * 183661 * 115957529 * 27181360475639262079046595524533991605412621599457<50> * 22865651545232045114928608982368721809477708343024387252594359607073080471538964031818295300119894440491538028451152597<119> (Jo Yeong Uk / GMP-ECM 6.4.4 B1=11000000, sigma=2071465445 for P50 x P119 / Mar 11, 2017)
(31*10^188+23)/9 = 991 * 1949 * 114001 * 153933653077<12> * 503402729603139010225984783984653731790839330864343787<54> * 20187190801159491398293020577721528747579679641978579847670756243710963831564791943738691141039339818314727020467<113> (Dylan Delgado / CADO-NFS commit 50ad0f1fd for P54 x P113 / Jun 4, 2019)
(31*10^189+23)/9 = 3 * 509 * 18593 * 524963 * 11058854841689<14> * 10075435981164048834527663205969045701087<41> * 3234382838284334006005362328553260858752754155858653483<55> * 641263548257978850594312441205866978975586797442638171310941971536991<69> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=4173171765 for P41 / May 27, 2011) (Warut Roonguthai / Msieve 1.48 gnfs for P55 x P69 / Jun 4, 2011)
(31*10^190+23)/9 = 7 * 37 * 18679 * 196277 * 212561 * 938939424276220156588067577227983963633<39> * 181750338188017966926585180534245271074438087656727304705093140750638388807143161919233728286312335186618226569058027162361635240453127<135> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=2726623914 for P39 x P135 / Nov 20, 2008)
(31*10^191+23)/9 = 479 * 721654199380406659494358792402938501466495953581632403259971904944621801459<75> * 996447743020499121699374464603815726961346486644180235752675167236186326151725810337002716980797888594745956623227<114> (Sinkiti Sibata / Msieve for P75 x P114 / 366.43 hours / Feb 26, 2009)
(31*10^192+23)/9 = 3^2 * 232982699 * 5557520236851780468690203<25> * 68847142672712911758410719469952112423811<41> * 4293248525452453558473029420197389416256988299456207145251790401469095489360510382530193461098608464957750681137104549<118> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=1102381511 for P41 x P118 / Nov 24, 2008)
(31*10^193+23)/9 = 37 * 109 * 6889049 * 9025543 * 1308434609<10> * 43991829551<11> * 3882524105482775214803165516244179299577953529597867237<55> * 614639039022301689473429407925268512779782335873146703138161959057714398230608381592430265667261385539<102> (Eric Jeancolas / cado-nfs-3.0.0 for P55 x P102 / Jun 10, 2021)
(31*10^194+23)/9 = 67939 * 3215447 * 4483159 * 19142262145430902451199177266387881<35> * 412242548237074424916722279110844056677314165993604585585319714629047<69> * 44568545741583998324825149445399294137449436284928832445869149146703657643<74> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=2790789935 for P35 / Nov 24, 2008) (Eric Jeancolas / cado-nfs-3.0.0 for P69 x P74 / May 2, 2020)
(31*10^195+23)/9 = 3 * 29 * 47 * 293507 * 2870011324778612254030860474647840738874335343833018500173452421038867355467033055867498706613426264211151894740458602148095138298331403365980777760120634878645464626131979694380654114589<187>
(31*10^196+23)/9 = 7 * 37 * 9587 * 21839 * 14575151413<11> * 7386630910986552562809940820748076551017045993388020132933<58> * 5899897551903415953292984598426225821768435977371270928009307464658814577618077309698783445640139207896410420766247889<118> (Eric Jeancolas / cado-nfs-3.0.0 for P58 x P118 / Dec 15, 2020)
(31*10^197+23)/9 = 97 * 1399 * 3085237 * 5366743 * 5433849658062888169<19> * 1317821221526833722600050936033210980992875584072613<52> * 21407516667939959656837667240390676729948949280178426685299522325703934226447910149000562713758998920525325887<110> (Eric Jeancolas / cado-nfs-3.0.0 for P52 x P110 / Sep 12, 2021)
(31*10^198+23)/9 = 3 * 257 * 283 * 6436266466144055067461648891356549556026258520593701980922870544506060288208710591121799<88> * 2452699569834602859242403317148160722994718292067334996147620919649028216070864338095981133276775420687321<106> (Robert Backstrom / Msieve 1.42 snfs for P88 x P106 / Apr 10, 2010)
(31*10^199+23)/9 = 37 * 269 * 1171 * 2131 * 5335974706151<13> * 587694556997297870644186569026808713<36> * 442241408781365201047390169107407138612743617495375426139753485106195550727452708337636024716855229535778626601983057531826393257778505615673<141> (Serge Batalov / GMP-ECM 6.2.1 B1=3000000, sigma=1953325660 for P36 x P141 / Nov 24, 2008)
(31*10^200+23)/9 = 53 * 260439461 * 24953790631484412015344314758006344590409434735322120213937849445422518048521481539050574101172384081216728480012557338609112625872965906568962930657876840355229239942140142484698956833540359<191>
(31*10^201+23)/9 = 3^3 * 237510073 * 119615362451803<15> * 6628849320034648100632270338666584942046431<43> * 677404815016845648562855664110262871507238853726302049230200304513664532868185304581946414114449602360915688037329654802050158967059249<135> (Bob Backstrom / GMP-ECM 7.0.4 B1=43780000, sigma=1:731774692 for P43 x P135 / Jul 10, 2021)
(31*10^202+23)/9 = 7 * 17 * 19 * 37 * 433 * 39541 * 1109870210947<13> * 29568781434263<14> * 105015888063368602781<21> * 6977835416144046509664404615444056958530181631609042756069722299128110499522742856408964894847160387212076722300550991658391370738185516154467627<145>
(31*10^203+23)/9 = 67 * 227 * 8741 * 72767 * 2591233 * 5846821 * 1059062499515903<16> * 4586078381562718593317867<25> * 2343565683428981715577713278681958434436077066491<49> * 206469771127923441103804445225779361288748882648317322975037819666173798649792871218720903<90> (Erik Branger / GGNFS, Msieve gnfs for P49 x P90 / Oct 8, 2012)
(31*10^204+23)/9 = 3 * 9439 * 121638748611944925113692991646164651779653368804761960816627624552192832731025336174186688012305132762808364037307781348463624128419127889410758358740136470828281401435337233620950116341577301424742891<201>
(31*10^205+23)/9 = 37 * 107 * 1253741 * 14145849175661917859<20> * 490565306384273987577405007438008422282574189597692062551767899282234822013418343329132524223992068872213833471376536026429616562211566518784117421217875245276254386192916433407<177>
(31*10^206+23)/9 = 379 * 4271 * 9739 * 61781357557<11> * 1298973443733908717985682143631<31> * [272256537946812298567245204231600263943300708286235846359015501789670088299747825520030793672503343449969878012078495476182415230243884082613812435761216491<156>] (Serge Batalov / GMP-ECM B1=1000000, sigma=565964294 for P31 / May 27, 2013)
(31*10^207+23)/9 = 3 * 1702089752450351677742861493012771697919162134100113398725018889091792490532764011<82> * 674552059605116814298333830127483598878582265779473892184587881677873669530886157322353140843274214505808920751737206159006559<126> (Serge Batalov /  for P82 x P126 / Dec 11, 2014)
(31*10^208+23)/9 = 7 * 37 * 193 * 13763 * 234331 * 2470553 * 130981681 * [660259290163509290380019302081394596739185056385486709742709700373945647147007620259632301974371523812920167230994269105515219909979282668451983451021323473603563950563062651984189<180>]
(31*10^209+23)/9 = 1521913 * 12348251 * 17086952875135559556292511<26> * 1072653087780783444523724573792901254483736315705822018359661539317851114372295295476791524872968631522546756113490450214436119361787364935144473226778153940752000406315179<172>
(31*10^210+23)/9 = 3^2 * 613 * 823 * 853 * 30233566686569<14> * 53261553646771706924852123705848306837882559<44> * 1618590099974934070130718591420536003046697760124684115492223<61> * 341214312129606331798188096625436919924626372275107829687703937709268808825684824033<84> (Dmitry Domanov / GMP-ECM B1=11000000, sigma=3286563224 for P44 / Sep 16, 2013) (Robert Balfour / CADO-NFS for P61 x P84 / Mar 29, 2020)
(31*10^211+23)/9 = 37 * 719 * 10333 * 54181189919<11> * 577395337928419<15> * 390496866705555975346411<24> * 5431685134996308147245379838721<31> * 19328965945061677750276501928120089964340052229<47> * 97696626532522495597797060669911184335490366183731725792923824238251541727027<77> (Makoto Kamada / GMP-ECM 6.4.4 B1=1e6, sigma=2732413326 for P31 / May 24, 2013) (Dmitry Domanov / Msieve 1.50 gnfs for P47 x P77 / Jun 3, 2013)
(31*10^212+23)/9 = 1074545565224296618597<22> * 82864713819044779200599969519<29> * 3868340667350505938019165486809178460304446780958780783388467239386443544408841473279785973229011937604719412538436800162829768489369725325038864181355337315308029<163>
(31*10^213+23)/9 = 3 * 53 * 3280945088064377<16> * [6602723308407827112497517320211793415574039789565706646002560536240299983879973998245217044835817620861125041200696369254746690964832190511528776929197637016134119562680461041852293112646490694729<196>]
(31*10^214+23)/9 = 7^2 * 37 * 354209379611<12> * 29496098794919<14> * 38579311183783<14> * 26731548443751420798451590470625448721<38> * 3931471937130866328298697077815803299642256903<46> * 448500548181642320396602659414841444184317684897982878267920157078559117556049819964427679<90> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=3754314946 for P38 / May 31, 2013) (Erik Branger / GGNFS, Msieve gnfs for P46 x P90 / Nov 18, 2014)
(31*10^215+23)/9 = 327573139 * 955265945063506943<18> * 114211007522573672129677<24> * 9637816288365626358056099978556857000880520707884328091431899775646329314564497285410091845116743027342676838547192191856150638262033455150037294148070942498170663143<166>
(31*10^216+23)/9 = 3 * 151 * 401 * 487 * 16217 * [2400916917826032242082905901546642134682569012000291530732955145598164356872374836232248279910498005800594320898098827588217443399101299996852403504798128996981718562347045758621407206339416681306494702381<205>]
(31*10^217+23)/9 = 37 * 131 * 526957 * 54286831035553577155936183696703<32> * 248414244841619831747906953611447629354689971402369552733034188096514438534998278225441627321660856842693258259121844311029307832998434642267164009231115216498002930881299257931<177> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=2479783411 for P32 x P177 / May 31, 2013)
(31*10^218+23)/9 = 17 * 103 * 127 * 6203 * 81485353 * 88467290383<11> * 34638993093805412253816798966833748048588191125218253048795068237655321884947661535791113486586438303651523695419323991196281715511904230630527599696279188525272273380754893872047531056239763<191>
(31*10^219+23)/9 = 3^2 * 1028047365876529<16> * 10333726172435310212769803362670715252159925299614009406878104084479035060072671839020952883272773801<101> * 36025216633409885921555365225312893642418571569841196121057553754726592356551331829690664068887124651327<104> (Erik Branger / GGNFS, NFS_factory, Msieve snfs for P101 x P104 / Dec 25, 2020)
(31*10^220+23)/9 = 7 * 19 * 37 * 244497875216322590894844740478798341<36> * 390133995007853022135104335479808632197491<42> * 73379869507216777800423378009008523582830599116744923177980808709591595551331109784610161131079828368809275312218278834766216227639072928297<140> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=2974698660 for P42, B1=3000000, sigma=1939751439 for P36 x P140 / May 31, 2013)
(31*10^221+23)/9 = 906617084707461973595688247819572099544453<42> * 379922737233201701885828899372556367072871746560217528424821178423478943543326006594530542083263572184514840965934122073252000002724088229672375673283184129244349092550879535401299<180> (matsui / Msieve 1.52 snfs for P42 x P180 / Aug 3, 2013)
(31*10^222+23)/9 = 3 * 25903 * 19767926061709006500997367287691<32> * 103274744410866246890997575463282599<36> * 21711639896924036884301609708841510566636074952473051614577933658128330522010292488859022281701926965316552998950151858469465098860888625075472139611687<152> (Makoto Kamada / GMP-ECM 6.4.4 B1=1e6, sigma=811703600 for P36 / May 25, 2013) (Serge Batalov / GMP-ECM B1=1000000, sigma=2065297201 for P32 x P152 / May 27, 2013)
(31*10^223+23)/9 = 29 * 37 * 59 * 1091 * 4821833996692987003987<22> * 32396613725854022784814250153<29> * [3192499425867949671312716244603154808573766466566158075219345112114085375448963581203056300786705128542961090265427155848891697688278168217881772038648942958564733021<166>]
(31*10^224+23)/9 = 362773658467332598651883<24> * 10974698993226281983929515487775617692646865919<47> * [86514882462083167344933997613346126982523990789652977337649023692736833382593862424947353590339322331002622444162743946973191897910309654051573685276064611<155>] (Makoto Kamada / GMP-ECM 6.4.4 B1=1e6, sigma=57009403 for P47 / May 25, 2013)
(31*10^225+23)/9 = 3 * 9660736460027<13> * 115368758716882237019888892648338657<36> * [1030147646736956786327008845559640484827678393882474674254120811191013229099154166279852099483696185741411757420399013323133612086310280752638537211890432239687647660606891166191<178>] (Dmitry Domanov / GMP-ECM B1=3000000, sigma=939677620 for P36 / May 31, 2013)
(31*10^226+23)/9 = 7 * 37 * 53 * 101119 * 14591761853<11> * 1100457744803<13> * 1545360048104153235039614574213614370530761245890604676542467656942625945623977769360998299905320976248239387659295757830202524829042884907524395728728800869314741675184596240821718776648278140441<196>
(31*10^227+23)/9 = 1996343 * 487567276741<12> * 11645998659161<14> * 35205068581973473610088194920614911<35> * [863112770736977323285654390620151703536743048679628780119547196418571693340251774403496118243149891836219016133560502626881256349896690499080380291505556974564339<162>] (Serge Batalov / GMP-ECM B1=1000000, sigma=3086051470 for P35 / May 27, 2013)
(31*10^228+23)/9 = 3^3 * 173 * 3079 * 11633 * 34847 * 20405816231<11> * 329986653907441539080453515473707<33> * 15710345281228721569859652746932122571987<41> * 22542323497800908742429246477786865767371891630979481224805723<62> * 247746626831771442156274122987922340816291626231462699732024172700349<69> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=2366659698 for P33, B1=3000000, sigma=1148483339 for P41 / May 31, 2013) (Erik Branger / GGNFS, Msieve gnfs for P62 x P69 / Jun 24, 2013)
(31*10^229+23)/9 = 37 * 89 * 2897 * 14420683 * 3854980676770748709628945206359861<34> * [64948768808355257516614141536833821731774981976971275793930334000140620318166910513093414742520824509056319285845359236554853556092164075571406935409772372932813156579310208864079789<182>] (Dmitry Domanov / GMP-ECM B1=3000000, sigma=3684513029 for P34 / May 31, 2013)
(31*10^230+23)/9 = 18768334513<11> * 899955010489<12> * 3722980447387<13> * 170360228252699011<18> * 5492466542264156755662338182489223<34> * 459866375663566471878223812791961868298881<42> * 17276535790592499213708723689014319311828736672777<50> * 736814121370133507745543229031592367252071494031952553<54> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=2895373745 for P34 / May 31, 2013) (Robert Balfour / CADO-NFS for P42 x P50 x P54 / Apr 3, 2020)
(31*10^231+23)/9 = 3 * 191 * 81649 * 49118107 * 7131448763505469809473690804047<31> * [210181411942185562256236914438420540081434662538539205973333999088447562223750980404027375986544498124342967295837427924620303103405807770253968415430221959187312447458113347922726321359<186>] (Serge Batalov / GMP-ECM B1=1000000, sigma=2433292296 for P31 / May 27, 2013)
(31*10^232+23)/9 = 7 * 37 * 2111 * 522763 * 4596215621<10> * 8824459327<10> * 202265954647819<15> * 31513282719187545037<20> * 373588678692302614204572820031677<33> * 1304581993549233653664593051528879053795035936868575220695036317<64> * 956436902384929922104702051237994223658044119467868491620198155091898709<72> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=605457819 for P33 / May 31, 2013) (Erik Branger / GGNFS, Msieve gnfs for P64 x P72 / Nov 14, 2014)
(31*10^233+23)/9 = 1607 * 39439 * [5434722992528463796286862961252544605239139233355218962824245457040980530478297330458631347026054800096626569788837361929569436683090241767807256013322448529872981389823709454856137736932293153298982833563131829390153411308039<226>]
(31*10^234+23)/9 = 3 * 17 * 67538126361655773420479302832244008714596949891067538126361655773420479302832244008714596949891067538126361655773420479302832244008714596949891067538126361655773420479302832244008714596949891067538126361655773420479302832244008714597<233>
(31*10^235+23)/9 = 37 * 19101372061<11> * 1846237372421639716523<22> * 1575301746806909272852387<25> * [16757205818707590626176327762293826093001528071327497790388621021364903570969546527587048912357907089205574714711749889955741542398964848331614416528170928363133397901546236100271<179>]
(31*10^236+23)/9 = 61 * 67 * 1653630809<10> * [50965465070585715491438435758043074409614083390335859215411563521602625582778095673981082713573322723897725607249811322770804294693591655514378766998244759940234950713858017866906854731242012002905627585254235763848562659009<224>]
(31*10^237+23)/9 = 3^2 * 8432258273279<13> * 952324809167918117<18> * 47659301878687176165342577475000428227316421994005686586541991544487520356636203122308446802068730134578417246302263090218451980211216364165550915761321845514659428875055642194386592383325235856467427166181<206>
(31*10^238+23)/9 = 7 * 19 * 37 * [6999480683691210006999480683691210006999480683691210006999480683691210006999480683691210006999480683691210006999480683691210006999480683691210006999480683691210006999480683691210006999480683691210006999480683691210006999480683691210007<235>]
(31*10^239+23)/9 = 53 * 21551706879220757<17> * 19316458554651497101<20> * [15611122676242389822333926426393344045703786924033147148267155802757238712135296008195329348387775552231588415589317758205280725151984008776239975660926436723107987009408887490140719707918843624668381907<203>]
(31*10^240+23)/9 = 3 * 2371 * 75209 * 988699193 * 27856207297<11> * 4058202288644675263<19> * 57607191755707413632288292095391035768044187418476341044707224930414429821419199923862699566036611191618739119927286008899215127315564460155997358124445138169003471983040877488057682622441374617<194>
(31*10^241+23)/9 = 37 * 47 * 113 * 557 * 164625751 * 139953047447531<15> * 784116490456426119677873<24> * [17419081356780122415553368137851748966298851121943472064431178398485693891225620090579396999757242948823383430677282391621331768725611079979954915152770911931799457815588972380365610857381<188>]
(31*10^242+23)/9 = 363199 * [948362865658893456326819304140276940312182699964604650465569686162253873068054825163187245681966207077785028164847492543879373138264269572450487045516216852041014552475211783194459358215315693172185067812533747186650966672387436211125153<237>]
(31*10^243+23)/9 = 3 * 2539 * 86135681 * 81358300092787<14> * 486960980803907<15> * 16437954350369508159391206401<29> * 8061360403317430893499737641070405578929032954467172848767518333368990257149263606559270611584841584906408370115688285450203839757019641164550625578793729376471582993473837879<175>
(31*10^244+23)/9 = 7 * 37 * 769997 * 1967243 * [87795524673281486709200014113246722278801242736967742359723987314292674072807448236369021123442246114886639326627505935943915844715033556549627816245886720029573490455542494190012434580575695997552997703133084475316398473110036923<230>]
(31*10^245+23)/9 = 2713 * 414679 * 1350709 * 712279155511814272926419<24> * 318233077932358490798728744215919451672751593176856260153576699219834383385264680473210094954303135177498898030104333922284625082335994837899927412448407633019418515647805697581983047864428547494436014743791<207>
(31*10^246+23)/9 = 3^2 * 1435891666928947<16> * 147189554325963557<18> * [1810831370525469745553284146175541008237465150104161954128348909163785593739979797021175221939687008212714349401760330919641360197962361256378479676818816161980559152131268226489927546544443942677321100971085395577<214>]
(31*10^247+23)/9 = 37 * 637433529763<12> * 8366366818657<13> * 157995167502913695242373702787229<33> * [1104846261416626829981206820484916209595926799406509140286891954601925539873923042545882300733268420063241734784508149907817234959278189186136734892192173353179909255135522361999404984026629<190>] (Makoto Kamada / GMP-ECM 6.4.4 B1=1e6, sigma=3578663107 for P33 / May 26, 2013)
(31*10^248+23)/9 = 653 * 1373 * 8116643 * 453819419329245259019<21> * [104297991603164929259695260510935945995361641770191977087987329335479076172721128576563050953096521966647432876279685898775066700423100223531629360691817024676526212148611970676520646742925074067948390814031091446039<216>]
(31*10^249+23)/9 = 3 * 2211421533432202047116011<25> * 519190091436878998585196516656434465607195633333618931846739976221153660190104543099359563939043457833222780723705066285813664029566563440492501493914810190569232170607210445289324840534600760737317674004245418234488011118559<225>
(31*10^250+23)/9 = 7 * 17 * 37 * 389 * 659 * 773 * 301851093991350653<18> * [130786595523656497927249253847910484778114948757477247542285127243285349786578435147341414420388764121395008437334714756958470408885701484145812868322036054883263684157815543347787656249075970592882841406788908189363195371<222>]
(31*10^251+23)/9 = 29 * 1439 * 1532839407686519371196743<25> * 5384727564261965192351568127651891365402204911096626173375159266289391714437277679270612444094308160114753481646555964002809126457923131427326860420201823486428629823577050836910241919569917189831587424983108435846890484259<223>
(31*10^252+23)/9 = 3 * 53 * 103 * 3739319 * 3562285957313<13> * 7768529098843673<16> * 3409472879239418022007441<25> * 65566471686155363348099758607<29> * [9091921754775363919732900260955934339331570311762746925281906552611617928304941236034184540913574304740594155585706288803553730970858402565439160649831135268663<160>]
(31*10^253+23)/9 = 37 * 563 * 23018638273<11> * 28287021901<11> * 38962113587<11> * 9393796583077597<16> * 63189742831732427759<20> * 341758378471074209969587<24> * 2432984759863021130574881172172426069872439<43> * 132054560450843085009015586705767926335181237467009100365141649589404719929422620629600438391555047686471006545188233<117> (Dmitry Domanov / GMP-ECM B1=43000000, sigma=3872467624 for P43 x P117 / Mar 23, 2017)
(31*10^254+23)/9 = 2822262763912795672573558589<28> * 236991046561355144793499081544472683<36> * [514979332179797405658655946018417987623523007765238544079593394927435838738687976437239395169606617942580287461289278639090089069317068713298028858775658324438912258313825649635097623921315681<192>] (Makoto Kamada / GMP-ECM 7.0.4 B1=1e6, sigma=6197248363095388550 for P36 / Feb 25, 2017)
(31*10^255+23)/9 = 3^4 * 22741 * 2670167 * 199854359 * 9828405677368561<16> * 11566108115522057<17> * [30824939742657954005634755986936826764224862679861759406758356881905457401933833678939959966545860193560836027394567698671917559331119241786074206385922743961952535709740881912969128277524106981377291547<203>]
(31*10^256+23)/9 = 7^2 * 19 * 37 * 179 * 2766583 * 8585658337063543852513<22> * [235178406010844306211945848439815730709021860222385642987103674983180516128487454515694766373330151882203331519387845764375551881740772490635442322422015720378305877309260963516653216261335599615879550349324805570228564461<222>]
(31*10^257+23)/9 = 607 * 5167 * 22961573 * [4782890028131298115076845489617134710780658051473740223762782774515325775812593315559883716433595736279217425897657441067121744803267541150372639573502864260316184418915726901728173041848648386817667329178883621094132720760112473906419844701731<244>]
(31*10^258+23)/9 = 3 * 107 * 50060327 * [214348510443190834800861265698605154123913081228385572484112989929606621800019040195121137075636900894370261298978713054980204585482450349803200436852984474532312390938332245574694989404334215744522173963543437170129489936828095718764966951941682441<249>]
(31*10^259+23)/9 = 37 * 7121 * [130730365247989177212600889050825857454139998726433215971202209090146177633890033833861947890876412151513963057285624340813218779796507643720113878799456667733595131432513822627570696662116406534325365950137751850994373112053213162607910536572241388980611<255>]
(31*10^260+23)/9 = 127 * 397 * 172992437 * 33100830699557<14> * 1039179439913505509<19> * 2592913057933245681559<22> * 5046560626447544159643533<25> * 17779549607551186008319146587<29> * 994042878590241531741328640201781894449245623332574839957<57> * 4964312107759312984588251179461973957282147634226223475801866701729166929709810130701<85> (Erik Branger / GGNFS, Msieve gnfs for P57 x P85 / May 2, 2017)
(31*10^261+23)/9 = 3 * 431 * 613 * 159189571631<12> * 3671620697992018973669560869937<31> * 7435116220157242969708286713758171325072098344384476586573765343808717385051096837720439135977464073913112621397310591297327871454133109910592242018887766154957486570039051635179645988096358763691093187418597770689<214> (Makoto Kamada / GMP-ECM 7.0.4 B1=1e6, sigma=4064825602699452282 for P31 x P214 / Feb 26, 2017)
(31*10^262+23)/9 = 7 * 37 * 197741 * 2548751 * 9447653407<10> * 10960782165714383<17> * [2548178140554336301458818568238893649086838798113330305697560366849276858510168466507121775108467782489010651799977554146812422953182182001796858537443026829202500461519173125549298699123478620333647570252977345060843792023<223>]
(31*10^263+23)/9 = 3934631 * 528198673 * 1056309563<10> * 708760716043<12> * 405306208816092315773498440238963143<36> * [546190022979257374770244865097336615861017744067863468725023578624489151372799902056597060953054601806421796064977003397467328489821276479486735819800647550350192406426809921284482319420860487<192>] (Dmitry Domanov / GMP-ECM B1=3000000, sigma=3582605104 for P36 / Mar 14, 2017)
(31*10^264+23)/9 = 3^2 * 569 * 6876855847921<13> * 248213931501430311621837007112345966439780241<45> * [394047280218892612561592534334979845180730348438820872490536089256888973767138804727658490437232896724664209556832976141071751082105631477529079015789258095438274087314375824330003966762978394839666077087<204>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=1386145378 for P45 / Mar 20, 2017)
(31*10^265+23)/9 = 37 * 53 * 2243 * 114575240103777569241623011831544779<36> * 68347328059779207295525841039332658217621620507408733221350726449153111378188128403681261122382233477886539444013897802829587012225847950702533905860361324674444550765023712525748751455274850075449019789466714397568131991591<224> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=1287903616 for P36 x P224 / Mar 14, 2017)
(31*10^266+23)/9 = 17 * 1699 * 11925507891993367878836839817347382351017707455750595313660092249573951613213462744328651609751218517620899644927619860971659607535382212527938387440516720716145983604350117523956806579802805956598845149203491480955733284092526553489749833619930216544141690421509<263>
(31*10^267+23)/9 = 3 * 1669 * 43618423 * [15771450352045012981810354661179314334056206735975520423890536653790579041494080063788262865073579781374703524085464488695103773758238176180375688442027262432995816926004323130075702930467431929893255938060710206978485254234959679105071723868445281233757527<257>]
(31*10^268+23)/9 = 7 * 37 * 1303 * 6719 * 35207269 * 3407240267<10> * 232982169956128593745742215219283<33> * 543516308055457098218533313249652005702158529727875613136011328588945129534018131291572126944238933234445425242859242662844825584209025342251198742499253061655853023813431459926723103210466179308489407484113241<210> (Makoto Kamada / GMP-ECM 7.0.4 B1=25e4, sigma=11712409998778779278 for P33 x P210 / Feb 26, 2017)
(31*10^269+23)/9 = 67 * 4157 * 16223 * 4183327 * 5146591 * 123530081 * 14971738609<11> * 258829754086941078479<21> * [7396607220409560487858282407837102674655784683834691778561019582522961287371044222378801393070105740365999612830937226572615942531675020167796809670927620354981577845693017376700680394039942639622639812017913<208>]
(31*10^270+23)/9 = 3 * 38148985797733731537962975414605619<35> * [30096426527185808709145914955193172415681891012204035260698739687224313422890239227674034413267172688906095193471696904024946483429061022125393030154076687462188107646712790934956166519415540464090047957051887604771124301197488428266871<236>] (Makoto Kamada / GMP-ECM 7.0.4 B1=1e6, sigma=9360962685400591285 for P35 / Feb 26, 2017)
(31*10^271+23)/9 = 37 * 173 * 22853 * [235465962761983142555734054706249196847438588002620146741066345605940083739762966304857947573681129867957516595999951165878458408321931634665015567182697691865484308211373301169381622258503881159259122815595460944511384759170999906902075297264555375391432634900499<264>]
(31*10^272+23)/9 = 181 * 5987503 * 317829983610203895411692624731864695133198756264796403797042348954842811995337921753148647605835171779094262583199217307945370747167214138707175055258666825673521589612079756477132771876353190310995149262693590285308868173085296447828439334803756118068141347368429<264>
(31*10^273+23)/9 = 3^2 * 89 * 2281 * 485275892399<12> * 6025630336754727410687379847<28> * 644718572646376211933614569133384516094667774845033545384706941422384147686475268245749719549515596960187244439650458707142376413117830465348547779023570044072234232666115359696854205528380165780421031037774308475675712124514479<228>
(31*10^274+23)/9 = 7 * 19 * 37 * 71580198607<11> * 2469798043254315925016687<25> * 107704462374423971076608996230297<33> * [367601928317475850107698817783212749081852303864434416200787439619942567395687338372598868149125506536655108371378802424395952966049177405954228946483622691333298436388543240995479902974422599223109330159<204>] (Makoto Kamada / GMP-ECM 7.0.4 B1=1e6, sigma=4434329076934015338 for P33 / Feb 27, 2017)
(31*10^275+23)/9 = 1549 * 11245601785283<14> * 94582177162416409<17> * 22929314555339331001<20> * 9117687161149738007240575175053586511110736299829579218794155497588262576741034212619177691236827305951645314150002138274837095832603393347450066951161927919395465738372293265822171953292348330130259344142185547195933033849<223>
(31*10^276+23)/9 = 3 * [1148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148149<277>]
(31*10^277+23)/9 = 37 * 14897 * 44549 * 53744644866635373095550841<26> * 26100299162654701609834728554400341636625521228854308068752461724198902711964020158998399981640267044002001359053355070558491179078254420852105630386602632883759285319098825254258516340902710053703530706382856222035641648615793910188858528447<242>
(31*10^278+23)/9 = 53 * 5449 * 13184575857651547<17> * 1951313496438053092852689341<28> * 4501199239485529347889159699<28> * [10299237151791077043397534250066920763256524166555279043878486730160942868684228950974584055858114470521263592777677723230598662329035587235526104722536508744239111740080540769268352588371120195269934087<203>]
(31*10^279+23)/9 = 3 * 29 * 339531746103107260787159<24> * [116605636756456732335595987443758412243223267518089640014776819235292529126545716034157340137822503880598846371068015706495767334874076098197483705747770714633022769883430163950992701265386312795618959615612996566906290895975023645746363951456333205978159<255>]
(31*10^280+23)/9 = 7 * 37 * 40990211 * 1822586917<10> * [1780127125329846163954879079207450015275506361616166869182536797769076867784680844957586327453613063480702639183592865341396754848777797579330046709965020572053297609609750108369177203376119889527424932989536782590589422394821060400510143656198399517231779839259<262>]
(31*10^281+23)/9 = 59 * 17477 * 184134231109<12> * 179038662213546141278597262628861<33> * 5219040976460034384166064226376065829<37> * 1941458998117642199296449621960477261895644344012427262016617695541564042701095340779021833522055369345720083182487566954324448895391459837345092189816274725244483001740177636893055544938510502949<196> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=2998741539 for P33 / Mar 15, 2017) (Dmitry Domanov / GMP-ECM B1=11000000, sigma=2479844411 for P37 x P196 / Mar 20, 2017)
(31*10^282+23)/9 = 3^3 * 17 * 85866252383853246787<20> * [87394477505080146099092262349207036916858009273453278138550863322930320677990296241688982726583962204005671455234299182484660292118833967217008472922217545169920016599520095529975049801676754396874679077142310496628470178130609789604730081429501285060976912959<260>]
(31*10^283+23)/9 = 37 * 7681 * 18637 * 1867193 * 12804811 * 68514749063<11> * [3969878684496949232864941211319460722145851424979664836154590567887940262083646003292543780533698724522071356978897592511807498492951309578432800403986266504875065324855182505391445646821179127880275114728522057778004129598692690668242392400650367827<250>]
(31*10^284+23)/9 = 313 * 499 * 79378241 * [27782596429241393254729080568731579975777473697803018453048154406570343545134473904944919701459857467781164460840128616733926841271352333001236823156091061058350474931008569323941975851675095297952576340378815593395787023963960996590909695096736796700784995680202127184141<272>]
(31*10^285+23)/9 = 3 * 2211617 * 12209728429<11> * 632679815710235736829<21> * 3261449377395966571696997<25> * [20605700552885422771021252102619505070558276077499563960576904984303600022290876619422118178527775221851803089889871429317150870975458650805430904084673290613198872336607350536142298392020436779061249544571119157667758219961<224>]
(31*10^286+23)/9 = 7 * 37 * 103 * 467 * 122827 * 1203549174744585618747714957349296629594089<43> * [18702843124619281958613604832824908415542777187144956707478990578031643479486421126501144730199235705483117517282797159708691982919711845722720254167120479585317729225563324738924322143630104235826218785039081651425591164630960272411<233>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=3486833615 for P43 / Mar 22, 2017)
(31*10^287+23)/9 = 47 * 71082606053<11> * [103099838453887509969532252799049398805525656924283286731321421319219807246805128595556767959643704539312190160724659321937597586378642592665504522859979089201688517591813439645326969716480725609878233648757766878370805007688016357557588491605162516415620696487920729410749117<276>]
(31*10^288+23)/9 = 3 * 1427399 * 648296993 * 180702815701193970404643740150293<33> * 1919180710205606277054240924832728641<37> * [3577649120213209683461200824760837050930062998146378844015835726838887253460636254102098861996301107128850614235419820278820696814614929111592181266346670401494395863285723525118343084284941908276625302839<205>] (Makoto Kamada / GMP-ECM 7.0.4 B1=1e6, sigma=382411197584798381 for P33 / Feb 28, 2017) (Dmitry Domanov / GMP-ECM B1=3000000, sigma=1620595449 for P37 / Mar 15, 2017)
(31*10^289+23)/9 = 37^2 * 2402239268400299<16> * 166497159469035335274594482875757481361474793<45> * [62906083304716544492853725522771580906955613011270449785714081851194489898278000942769988271919303067389259132171939019390711872629420070339060872250251717368708152271418372419070111788349450148505208670063496895350566192655709<227>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=763437640 for P45 / Mar 21, 2017)
(31*10^290+23)/9 = 331 * 2799871 * 5284309 * 184789609688591<15> * 378114273222189212505354822448841132828977<42> * [1006617192124227232649954490081272675406933887257376663214941649233162009769289032976515063068824917132951835453155897381913500174414884626679549343652412237727402295163227700822772565651928637119458442410533601156708969<220>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=1879001464 for P42 / Mar 21, 2017)
(31*10^291+23)/9 = 3^2 * 53 * 151 * 38737291 * 1465756018687<13> * [842234303322129817975002967326831967382820130090453207713546299082357170046794366927541789934382956193236321697300672964376676142874400216830784219891780462268711468889665499116722626972422111124619022407548735231146899608885318451656738241521781551088407777591976633<267>]
(31*10^292+23)/9 = 7 * 19 * 37 * 4799 * 1928351 * 879624737 * 706844004090408083<18> * 2153540762385226885352899962256885583677<40> * [564878275874290845230365698734755880475690659148194416462483284455688517903078072932524319029802110812912598578242646340548557800728535750055459961558224254783419493938494255023360410875931555380406033904363153329<213>] (Makoto Kamada / GMP-ECM 7.0.4 B1=1e6, sigma=955406530022248237 for P40 / Mar 1, 2017)
(31*10^293+23)/9 = 97 * 431445803720761218139<21> * 320211177221908647218282548822376471<36> * 25703053105583754611690570859252631949218739903782999078863574446260590267348750885350123286384598321154217723004702944169789046554121509194976193803302679302955315124622622075828040816049797687809925652888309619115706709468248415791579<236> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=2259380659 for P36 x P236 / Mar 17, 2017)
(31*10^294+23)/9 = 3 * 1148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148149<295>
(31*10^295+23)/9 = 37 * 1371012249192973332275243<25> * 8508457057400392830889659634871<31> * 1788961220592007733271685228174076161860101<43> * [44609195144898392304179673224514392392761301434930843797942557015200599423223791118717826343968348456598610752692462729393461410962975897916330723705366397232125373070033799044692594683359050771427<197>] (Makoto Kamada / GMP-ECM 7.0.4 B1=1e6, sigma=10254277138574564471 for P31 / Mar 1, 2017) (Dmitry Domanov / GMP-ECM B1=11000000, sigma=621467051 for P43 / Mar 20, 2017)
(31*10^296+23)/9 = 61 * 337 * 498734846767<12> * 7337097145073<13> * 41528937927748357<17> * 319508754128120675569411<24> * [345089606583677767854990156028164388654475698079193355984603168497598536617986623578046529793987519354463411397325062656636971400414927623361268687712816628501892953491819438630695102465370537563640859803679278870968006410872203<228>]
(31*10^297+23)/9 = 3 * 762635867053<12> * [1505499803706919882580976740727244580131456347307070677992218535683636507692491485245665870879015262721128141254767862447840328808470020098463631638937295970744674485259530024739045032138488133085416866572079351494529095520415781973136744306273102022771338842553109542503110914393281833<286>]
(31*10^298+23)/9 = 7^2 * 17 * 37 * 15629 * 42994681 * 4086421429<10> * 6723591779<10> * 1620369948330270343567<22> * [37356645067930009017137064237504776693775694103556442508912359991643192324414446494646443948603223203139193578026261982056219694123098468476616564128372387749212177454274341056130408039121423308730823961777412484093721329257715934126693286119<242>]
(31*10^299+23)/9 = 155498867653<12> * 3666993163754494530479<22> * 604062468752856195502911586924827846105593069181813246191614303042712178289303884965397299376897107671359758301541987128429578932881495176204520411496370510655959256209822706711454355525101937962878396594037392861715833374030151190962325071140824213726139341101561181<267>
(31*10^300+23)/9 = 3^2 * 801327550434127184705955412919644095126079<42> * 477602509954107800646366374810856102051379002290658721275830012538445913775100470518340750578465839274446731926949527581465165916178250334590551437994713326136239477418051259288515668770167575725443683993853392390686993318414236935511315586878833256011634777<258> (Dmitry Domanov / GMP-ECM B1=11000000, sigma=855284656 for P42 x P258 / Mar 11, 2017)