(13*10^1+23)/9 = 17
(13*10^2+23)/9 = 3 * 7^2
(13*10^3+23)/9 = 1447
(13*10^4+23)/9 = 14447
(13*10^5+23)/9 = 3 * 89 * 541
(13*10^6+23)/9 = 1444447
(13*10^7+23)/9 = 433 * 33359
(13*10^8+23)/9 = 3^2 * 7 * 29 * 173 * 457
(13*10^9+23)/9 = 1444444447<10>
(13*10^10+23)/9 = 100393 * 143879
(13*10^11+23)/9 = 3 * 2207 * 21816107
(13*10^12+23)/9 = 19 * 46271 * 1643003
(13*10^13+23)/9 = 47 * 1889 * 162693809
(13*10^14+23)/9 = 3 * 7 * 233 * 1259 * 23447681
(13*10^15+23)/9 = 67 * 185833 * 116012077
(13*10^16+23)/9 = 491 * 29418420457117<14>
(13*10^17+23)/9 = 3^2 * 17 * 107453 * 8785993283<10>
(13*10^18+23)/9 = 127 * 14831 * 766878720431<12>
(13*10^19+23)/9 = 13007 * 19531 * 56859000691<11>
(13*10^20+23)/9 = 3 * 7 * 179 * 82465597 * 465967589
(13*10^21+23)/9 = 222011 * 6506184128013677<16>
(13*10^22+23)/9 = 14444444444444444444447<23>
(13*10^23+23)/9 = 3 * 117634809157<12> * 409301876657<12>
(13*10^24+23)/9 = 2063 * 205063 * 3414399296270663<16>
(13*10^25+23)/9 = 103 * 16069 * 8727196757940389621<19>
(13*10^26+23)/9 = 3^3 * 7 * 227 * 39383 * 392549 * 217776247747<12>
(13*10^27+23)/9 = 3659 * 394764811272053688014333<24>
(13*10^28+23)/9 = 14444444444444444444444444447<29>
(13*10^29+23)/9 = 3 * 349 * 828055457 * 166607572854967193<18>
(13*10^30+23)/9 = 19 * 6113 * 295186039 * 42130540684643459<17>
(13*10^31+23)/9 = 7993 * 42372848065451<14> * 42648461993029<14>
(13*10^32+23)/9 = 3 * 7 * 932307119 * 1761411577<10> * 4188530683189<13>
(13*10^33+23)/9 = 17 * 59 * 1440124072227761160961559765149<31>
(13*10^34+23)/9 = 14444444444444444444444444444444447<35>
(13*10^35+23)/9 = 3^2 * 169409 * 1633157 * 23719735867<11> * 2445592361473<13>
(13*10^36+23)/9 = 29 * 83 * 600101555647878871809075381987721<33>
(13*10^37+23)/9 = 14444444444444444444444444444444444447<38>
(13*10^38+23)/9 = 3 * 7 * 7789 * 883079583811385069569688904648463<33>
(13*10^39+23)/9 = 47669387 * 1170670957<10> * 25883704407899341180433<23>
(13*10^40+23)/9 = 277 * 101009 * 516251114501769007910345067526579<33>
(13*10^41+23)/9 = 3 * 81847567 * 588266089181956357336170397687547<33>
(13*10^42+23)/9 = 5087 * 270379 * 458069 * 2292636730796519129035272631<28>
(13*10^43+23)/9 = 153947 * 4783959373<10> * 25694498834447<14> * 763311804330671<15>
(13*10^44+23)/9 = 3^2 * 7^2 * 97 * 109 * 479 * 10993 * 4848582033787<13> * 1213381954827619111<19>
(13*10^45+23)/9 = 337 * 132137 * 32437434595059462820463233464136290263<38>
(13*10^46+23)/9 = 8863 * 1629746637080496947359183622299948600298369<43>
(13*10^47+23)/9 = 3 * 31991 * 480902321 * 13359561380655023<17> * 234262460002208333<18>
(13*10^48+23)/9 = 19 * 67 * 261637 * 814776633106182689<18> * 5322733385935553003723<22>
(13*10^49+23)/9 = 17 * 61 * 89 * 38959 * 105656233 * 38021492121936765909400889923157<32>
(13*10^50+23)/9 = 3 * 7 * 2502169 * 6443407 * 634433232821<12> * 672455299107309140298049<24>
(13*10^51+23)/9 = 173 * 8349389852280025690430314707771355170199100834939<49>
(13*10^52+23)/9 = 1381 * 11489 * 608897 * 2412303146188339<16> * 619796639626892745162401<24>
(13*10^53+23)/9 = 3^5 * 59911193 * 820185439 * 24090434911<11> * 502145882844539591523757<24>
(13*10^54+23)/9 = 697913917 * 692243678939<12> * 64186504391881<14> * 46579654288161040649<20>
(13*10^55+23)/9 = 137777 * 15830671 * 6622543132390658354813934334496616294834241<43>
(13*10^56+23)/9 = 3 * 7 * 1020913 * 154021723 * 8516775431<10> * 46071912353<11> * 111480626673780595951<21>
(13*10^57+23)/9 = 84659 * 13437897463<11> * 13711028531<11> * 68881136113<11> * 1344392402451686090497<22>
(13*10^58+23)/9 = 169331759337080876182002901<27> * 85302630179909482442518017818147<32>
(13*10^59+23)/9 = 3 * 47 * 103 * 22195373 * 6320432791<10> * 70898205033058458698981464245901774823<38>
(13*10^60+23)/9 = 127 * 2273 * 26437 * 1237493 * 1734049 * 65014567 * 1252747883<10> * 1082946611570881296893<22>
(13*10^61+23)/9 = 14444444444444444444444444444444444444444444444444444444444447<62>
(13*10^62+23)/9 = 3^2 * 7 * 85577 * 105107 * 254901032843943236455470726599327223028428627508771<51>
(13*10^63+23)/9 = 7219 * 11689 * 681470441 * 2603654606153790877<19> * 9647528009620603816417613081<28>
(13*10^64+23)/9 = 29 * 22639 * 451349504080060294404187027<27> * 48745287463384204445252173833031<32>
(13*10^65+23)/9 = 3 * 17 * 6737839 * 6822623 * 61611057542063142116467486434725930176324349435701<50>
(13*10^66+23)/9 = 19^2 * 2753 * 377796007 * 16313086006663<14> * 1020175457996881<16> * 231163397345759159858279<24>
(13*10^67+23)/9 = 52315240611271155788050960824067<32> * 276103947447628365472267171058153141<36>
(13*10^68+23)/9 = 3 * 7 * 3923 * 10427 * 56463670327<11> * 227510554005245179<18> * 13089806093708825442667169175599<32>
(13*10^69+23)/9 = 155659780327<12> * 1171925778936327367<19> * 1601615231911272637<19> * 4943859632405825098459<22>
(13*10^70+23)/9 = 108823341701<12> * 132732961685109799222048100781878455618704511707029668734547<60>
(13*10^71+23)/9 = 3^2 * 487 * 1283 * 746413 * 34413078177548084191504769910208311215692293061766591596471<59>
(13*10^72+23)/9 = 2633 * 13760077 * 828504247 * 10685745260460920319053<23> * 4503286355883367368027934714537<31>
(13*10^73+23)/9 = 219042524326333964045351<24> * 65943562734534688862562838341124025464973959655497<50>
(13*10^74+23)/9 = 3 * 7 * 1033 * 6243210420049<13> * 2281607848599053137488631379<28> * 467446865497595394863499409049<30>
(13*10^75+23)/9 = 3719 * 5113 * 10531 * 1131275569<10> * 2952264692353<13> * 3757338188022730387<19> * 574811266249970437254569<24>
(13*10^76+23)/9 = 855739 * 1978069903421<13> * 368748731811168197<18> * 23141278397400146239179802163870122903229<41>
(13*10^77+23)/9 = 3 * 83 * 4561 * 108439 * 1172886316392029700100055685192302304915174312018853750046633692657<67>
(13*10^78+23)/9 = 401 * 190367 * 6334127 * 9351385892243<13> * 319449386716173729217070437292344257782109590850181<51>
(13*10^79+23)/9 = 1801 * 1442559293921<13> * 45732093561459359<17> * 52542833988069409<17> * 2313763043808849453612731123897<31>
(13*10^80+23)/9 = 3^3 * 7 * 154727 * 4939385626373389049299236632769600871842597950876115356494059342014485949<73>
(13*10^81+23)/9 = 17 * 67 * 2237 * 566906106001760810365241469076994440002953144730649172467533396329684158729<75>
(13*10^82+23)/9 = 14444444444444444444444444444444444444444444444444444444444444444444444444444444447<83>
(13*10^83+23)/9 = 3 * 223 * 184463 * 19940359 * 66369319308375491280867779569<29> * 884433371791299222384005443214325909731<39>
(13*10^84+23)/9 = 19 * 8059 * 14321 * 658707701853650023382762931051131945232097345799897679375649482532157829167<75>
(13*10^85+23)/9 = 331 * 175900891 * 248087458341016044437010232004070762052237680302003714985114402056920480007<75>
(13*10^86+23)/9 = 3 * 7^2 * 1623917 * 21259291850369<14> * 10619333794252097<17> * 2680239564601333323233779294171193961668605488121<49>
(13*10^87+23)/9 = 181^2 * 773 * 866057 * 573610307 * 643763165187659919330524673589<30> * 178350632108951009518877102889493709<36>
(13*10^88+23)/9 = 269 * 24205439387<11> * 2107063509924817<16> * 1052829308498781649195092990327355145696592234066120542822897<61>
(13*10^89+23)/9 = 3^2 * 70877440289<11> * 226438520502555542226282876648107371890778677102535659208580010857753321482247<78>
(13*10^90+23)/9 = 131 * 1571 * 15991 * 2233441879<10> * 22765880899<11> * 8632142957780623446764252586995614801453479315126766140830077<61>
(13*10^91+23)/9 = 59 * 167 * 1465994564543229924332126707037901597934075352120617522018110671312741748142133811473099<88>
(13*10^92+23)/9 = 3 * 7 * 29 * 941 * 6151 * 26487403 * 1547065924461744094101086683727222674748826165884757471697258237106749728871<76>
(13*10^93+23)/9 = 89 * 103 * 439 * 50989 * 94399 * 74570181980851647159554277087172700402742565810099729718387982039139873846829<77>
(13*10^94+23)/9 = 173 * 31477 * 483308361719346223<18> * 896893850800496713074168659<27> * 6119219759491400144211587722613183233001051<43>
(13*10^95+23)/9 = 3 * 48148148148148148148148148148148148148148148148148148148148148148148148148148148148148148148149<95>
(13*10^96+23)/9 = 809 * 112095814741<12> * 15928061481197167812933353348182042979889728516074354469238728288440096891573597163<83>
(13*10^97+23)/9 = 17 * 8999 * 11786513 * 17819779242989<14> * 42985002303185499839<20> * 10458106405568460638101308987218816210963583746945683<53>
(13*10^98+23)/9 = 3^2 * 7 * 15773 * 280589 * 5302089229<10> * 33303189578035579<17> * 2933880948652689566090701079327181046116592633220259054153047<61>
(13*10^99+23)/9 = 20269977874978493<17> * 48380102173899798200419254467118286241867<41> * 1472925520515835862540213121130580422441537<43> (Makoto Kamada / GGNFS 0.53.3 for P41 x P43 / Total time: 0.59 hours (actual time: 0.62 hours))
(13*10^100+23)/9 = 2678798056108829<16> * 5392136376799589418058664563875784012672288853613133994597232410768339843237864731243<85>
(13*10^101+23)/9 = 3 * 113 * 691 * 161348975116031<15> * 2638979885325029<16> * 1448174200546308221383716357185100221888828279859617821802170696997<67>
(13*10^102+23)/9 = 19 * 127 * 719 * 70434883300550025768921698856829<32> * 11820254604073182658618421398181422566578014985987820143827603769<65> (Sinkiti Sibata / GGNFS-0.77.1-20060513-pentium4 snfs for P32 x P65 / 0.99 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Mar 5, 2008)
(13*10^103+23)/9 = 293 * 226027 * 395429 * 5818259 * 393252429137<12> * 8672424885112801921<19> * 21725174650026677719<20> * 1279487648864061335422494680603489<34>
(13*10^104+23)/9 = 3 * 7 * 149 * 52751654539<11> * 108747064013621259854420041<27> * 351593252544047084723547244879<30> * 22887645677548015958529420565162483<35> (Makoto Kamada / GMP-ECM 6.1.3 B1=250000, sigma=611463270 for P30 x P35 / Feb 26, 2008)
(13*10^105+23)/9 = 47 * 17627 * 3545372653<10> * 1055357511369673<16> * 335068087266999290179<21> * 1784084621539071672608341<25> * 779497215627901270440801981193<30>
(13*10^106+23)/9 = 1182185754731<13> * 2172029727110878635738586779067649<34> * 5625347506338151318885368500376703770981780047991444353962013<61> (Makoto Kamada / GMP-ECM 6.1.3 B1=50000, sigma=2076058315 for P34 x P61 / Jan 21, 2008)
(13*10^107+23)/9 = 3^3 * 35216147 * 108637347988459<15> * 23732641770407504929<20> * 34022056488563625861441521<26> * 1731846675308785518622951843549442964173<40>
(13*10^108+23)/9 = 13441 * 107465549024956807115872661590986120411014392116988649984706825715679223602741198158205821326124874967967<105>
(13*10^109+23)/9 = 61 * 277 * 503 * 1831601 * 2156071 * 51656325972977006306990866008287770891019<41> * 8331166415227273953870412449749267635633640111533<49> (Robert Backstrom / Msieve v. 1.33 for P41 x P49 / Mar 5, 2008)
(13*10^110+23)/9 = 3 * 7 * 8753 * 3711679 * 249417913 * 2537235671983<13> * 1240465707151710983651<22> * 16138801360122815192117753<26> * 16711280210341400465353722380753<32>
(13*10^111+23)/9 = 863 * 386881426812688222963<21> * 536034555099477259492189339343<30> * 8070851920836102438701243831587152825693030353472471416341<58> (Robert Backstrom / Msieve v. 1.33 for P30 x P58 / Mar 5, 2008)
(13*10^112+23)/9 = 4215060217<10> * 1836768886313390835854431<25> * 1865703152448774944771719391090768939193139031744626454511303651661702393741961<79>
(13*10^113+23)/9 = 3 * 17 * 1058632741<10> * 3726222878100481201794626013271269800973447843967<49> * 717986894749436893374924732971774453291142110739897151<54> (Sinkiti Sibata / GGNFS-0.77.1-20060513-pentium4 snfs for P49 x P54 / 2.39 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Mar 5, 2008)
(13*10^114+23)/9 = 67 * 245563 * 275904691 * 341712991 * 25425790294979881117<20> * 36624193903242864651740851922561324301537351916910970698087296215444391<71>
(13*10^115+23)/9 = 11447053 * 275027587711008053<18> * 4588079025725865009229759024281788945772161972265588741466412350504819778001217996403800783<91>
(13*10^116+23)/9 = 3^2 * 7 * 1103 * 61600920917936257129108063<26> * 33744078768778850689964053052637328204725152037846966278481450851524000786252468365521<86>
(13*10^117+23)/9 = 137089 * 2938981 * 118824907 * 30171296508404213725820751270457193651174221926177012710635271935586868876523739292954377529546169<98>
(13*10^118+23)/9 = 83 * 146894591 * 120347382739<12> * 1650165537080777<16> * 8238817863322481<16> * 724082216757997374424060385163820474469708770041041122628722484993<66>
(13*10^119+23)/9 = 3 * 443 * 11059 * 116341 * 15648638539<11> * 31868005109<11> * 5581887904138474171<19> * 30346923055543112170165556176750563351584609378253261738971650867957<68>
(13*10^120+23)/9 = 19 * 29 * 1741 * 22441 * 76702542741648809846780802317<29> * 874779316283849878292104906255438129819684224118598047597761358345503878142800761<81>
(13*10^121+23)/9 = 6599 * 2188883837618494384671078109477867016888080685625768214039164183125389368759576366789580912932935966728965668198885353<118>
(13*10^122+23)/9 = 3 * 7 * 275974403633615893708374712313364033866417253364443479869<57> * 24923713169568184598667917122586887747016051523773565479357462303<65> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P57 x P65 / 2.80 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Mar 5, 2008)
(13*10^123+23)/9 = 24686158607887409<17> * 947104076875960805980958443<27> * 61780244369598875229413331596854885386917318786279903982560551596066801140231981<80>
(13*10^124+23)/9 = 4861 * 20399 * 31723 * 62521993 * 19608773125447472591<20> * 3745491858604408275520766856865934309677475795901080194375712005457568413198718905177<85>
(13*10^125+23)/9 = 3^2 * 464247637731423992081446576515259298176781598923<48> * 34570736416615334709852602535504361723332346937596499346376073111611171864021<77> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P48 x P77 / 2.83 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Mar 5, 2008)
(13*10^126+23)/9 = 1747 * 10391 * 49005667 * 69676172561239<14> * 987823085251644979<18> * 23590700178236558387342072945647676700896672023438959042642296676949997496411293<80>
(13*10^127+23)/9 = 103 * 67089542389<11> * 202509386109599571491<21> * 14549579140164833600801209324805687<35> * 709435963265061108754917795311933782934023902804157269931073<60> (Sinkiti Sibata / Msieve v. 1.33 for P35 x P60 / 2.04 hours on Pentium4  2.4GHz,  Windows XP and Cygwin / Mar 5, 2008)
(13*10^128+23)/9 = 3 * 7^4 * 359 * 66612700003<11> * 1331167551723961827044232908143687891357<40> * 629945850433649252006066469143506208365518616550926335658920273196015541<72> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P40 x P72 / 5.14 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Mar 5, 2008)
(13*10^129+23)/9 = 17 * 71986679 * 388579423 * 131638082375417<15> * 13768205563065773942619038565998211282092437391<47> * 1675950144686658660252724258618579568960643440587009<52> (Robert Backstrom / Msieve v. 1.33 for P47 x P52 / Mar 5, 2008)
(13*10^130+23)/9 = 1543 * 82463 * 113520889770516569499901909655480944300048928987995035794363443491009561627897977319802897241900915647358886157340506854583<123>
(13*10^131+23)/9 = 3 * 1889 * 20360833 * 31771542433<11> * 538393284151<12> * 73183665039437320193043726110049992237027494104384933540602444384006934454838477242314308512754419<98>
(13*10^132+23)/9 = 6343 * 8219 * 66713 * 4317193 * 49382761427<11> * 8854773201383480311<19> * 219999859009701701463206070734734476452579594282387515890331729201725585074357861567<84>
(13*10^133+23)/9 = 11657957 * 1239020219790178025570384626092242787003284061216252937323790475847907523114422573736070946602774778157480289594861642090843571<127>
(13*10^134+23)/9 = 3^4 * 7 * 6190141 * 3699678316581991<16> * 11123802722920956998465879182436097069507538391595156962039136510681595340684861594423767936765942600301837611<110>
(13*10^135+23)/9 = 193 * 4328774092087433<16> * 1728934785395725845090032768516301891640913475376965627015397447604500542301840590575708616030824462490497925764551463<118>
(13*10^136+23)/9 = 28351 * 741778358369<12> * 1020170085864367<16> * 16493851895001413<17> * 40819119005601628491301335501942890589222314071502663352586701798620627130330629648801603<89>
(13*10^137+23)/9 = 3 * 89 * 173 * 347 * 545161 * 16530623101836969024451362824188351845753342403082319109306168938020114764600593274984051493360927430036090611681112066851051<125>
(13*10^138+23)/9 = 19 * 599 * 1429883584413769044754647369821<31> * 586128798116731777961115493247664079920542415073<48> * 151435145516772344278889031078601478025961666278540775039<57> (Makoto Kamada / GMP-ECM 6.1.3 B1=250000, sigma=3647572132 for P31 / Feb 26, 2008) (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp snfs, Msieve 1.33 for P48 x P57 / Mar 6, 2008)
(13*10^139+23)/9 = 227 * 389 * 26347 * 24967667047<11> * 248665908539458972633642469295245807528016711238770087204991988984808196244932987117310321721102769310250040735221112661<120>
(13*10^140+23)/9 = 3 * 7 * 97 * 116639 * 361213 * 235765177 * 1745882905442085615069163292717<31> * 1274538776841461345684727695080517503<37> * 3208151205533195406082282981411310434662624665968979<52> (Sinkiti Sibata / GGNFS-0.77.1-20060513-pentium4 snfs for P31 x P37 x P52 / 10.31 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Mar 6, 2008)
(13*10^141+23)/9 = 311 * 1361 * 1399 * 101922108984892127<18> * 78182239713204452989<20> * 306117462680173936119739906937960618473972651887945591258360226801871517199720332527340032752181<96>
(13*10^142+23)/9 = 1819523 * 7938588544604516922536535369129406138006743769902575809398641536515034129518804898011426315822577919841873086761994459231592260413550389<136>
(13*10^143+23)/9 = 3^2 * 2389 * 72881353 * 6508800369946252997<19> * 8247464312828826073<19> * 123511028190274527084942581597557283<36> * 13902683100663382375897508514348828772415433347065218804613<59> (Robert Backstrom / Msieve v. 1.33 for P36 x P59 / Mar 5, 2008)
(13*10^144+23)/9 = 127 * 5309 * 698531 * 18250784633<11> * 489889502898266347<18> * 7974072093667475428695114878478870116137528321<46> * 43016877271613784214536967602395329942184013449106489386429<59> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P46 x P59 / 19.57 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Mar 6, 2008)
(13*10^145+23)/9 = 17 * 349 * 649123 * 1775611609<10> * 9343080165895605403209672061982422960039<40> * 89613447463680659731752405803506450728307<41> * 2522831592649101185126932192574929950666412669<46> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P40 x P41 x P46 / 14.85 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Mar 6, 2008)
(13*10^146+23)/9 = 3 * 7 * 3479557 * 19622489662095236649338844058215831256042080388367537519<56> * 100740356624526186007814934359778825461356811979856485445035129252550852026602460329<84> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P56 x P84 / 29.62 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Mar 7, 2008)
(13*10^147+23)/9 = 67 * 490258807 * 10213739034520031<17> * 1480241574680768294011<22> * 2908595186300017626049029243087862480743338606729481643763608861788246141018988019990986048409644343<100>
(13*10^148+23)/9 = 29 * 82893068831154629<17> * 10326766722762193030677743410047854627737<41> * 18781709518265729197727134979077408403048257<44> * 30980265889559158971246250118179234976988163463<47> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P41 x P44 x P47 / 50.14 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Mar 8, 2008)
(13*10^149+23)/9 = 3 * 59 * 642789047 * 8628460657<10> * 384131451857134907<18> * 1869299252728233162593593784842467695639821<43> * 204911855236147914759409599454283650327219283947887580206394976351047<69> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P43 x P69 / 26.05 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Mar 9, 2008)
(13*10^150+23)/9 = 1410361 * 1024166468332890972201049550040340341546912063255042109392165867068392024768441870162635271710182318175590819970521337759938373540139329181992727<145>
(13*10^151+23)/9 = 47 * 1459 * 1489 * 6550441069<10> * 2731118671267928548408841950780937<34> * 926226113280928870632802667563416935974873<42> * 8537384850979962295167735815770595423638734296748278114279<58> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs for P34 x P42 x P58 / 30.82 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Mar 10, 2008)
(13*10^152+23)/9 = 3^2 * 7 * 109 * 9437669376050991528449453<25> * 2228789415200160909185838366456712820256148511635322352255893876677738266774336837655685740300914770158640941361893356000697<124>
(13*10^153+23)/9 = 580549 * 2385293 * 12984149 * 254011988467<12> * 20988808355170947443<20> * 15068316749714303315015928309384057890021142497785694123926956556402961494016494219567366227752724510059<104>
(13*10^154+23)/9 = 19919 * 3679468548146533<16> * 7630751612715717403<19> * 2262802058462321464484841458672901509492655613223530140187<58> * 11413907115688684242996799010354104342118227296131335025701<59> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon snfs, Msieve 1.33 for P58 x P59 / Mar 9, 2008)
(13*10^155+23)/9 = 3 * 769 * 62611376005394210855849347396811636083417617877955979386408515147136733612676395511245966382507344796031402013196551558060010595771323989789529451428021<152>
(13*10^156+23)/9 = 19 * 389980758750449231614133227379820419633329<42> * 91675205847127951535304492278434084611246814323398249<53> * 2126435275612637276891658087461597168753509864505325623463053<61> (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp snfs, Msieve 1.33 for P42 x P53 x P61 / Mar 10, 2008)
(13*10^157+23)/9 = 16927 * 2524139 * 1130777445877727136149<22> * 29470374557264323160093526813499099303<38> * 8608324398240878863428561563214391554918361<43> * 1178490710904896662118258002202295955986767897<46> (Robert Backstrom / GMP-ECM 6.0 B1=1258000, sigma=2973888295 for P38, Msieve v. 1.33 for P43 x P46 / Mar 8, 2008)
(13*10^158+23)/9 = 3 * 7 * 229 * 106765482187099<15> * 281329451827162966482826282822933803850988587116937414690641391820035888396838934695584578450619301006587642269846846174714619020579112938917<141>
(13*10^159+23)/9 = 83 * 5008661201<10> * 3474570232523197426477955556499999124059374370418938201380817378999393901925388405152040650349200716130912965651076166076064645152890186170785973109<148>
(13*10^160+23)/9 = 457 * 14293 * 161047 * 347071 * 302954513 * 101632852910485879<18> * 1284927842389889594548698708086994904856107541149912956575920987443843910775978854115770722525304630822164499389416053<118>
(13*10^161+23)/9 = 3^3 * 17 * 103 * 1724029 * 46124385028404659193551<23> * 19676012510318678785250017004699445567484314567847182516372343<62> * 1952714211361224583977547309784021653764745429767765757488007042063<67> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon snfs, Msieve 1.33 for P62 x P67 / Mar 14, 2008)
(13*10^162+23)/9 = 48440917801958347097<20> * 170569706737281090797<21> * 4896627844567999141056381026425997699<37> * 35701747916582274558191451115278830078250818431335984974373036683747660077947671049617<86> (Sinkiti Sibata / GGNFS-0.77.1-20060513-pentium4 snfs for P37 x P86 / 134.15 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / May 2, 2008)
(13*10^163+23)/9 = 3517 * 18983905542455313683<20> * 290489182949177909802781675636329039795637507570364531197<57> * 744754172766735844931657694994085417458424028852613801213846101237458452241664067741<84> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon snfs, Msieve 1.34 for P57 x P84 / Apr 4, 2008)
(13*10^164+23)/9 = 3 * 7 * 839545558995717980676973391993<30> * 20177046110532699947312283019200501521<38> * 406050166580568139538183636120785029941680983190292244345051790690796540227700452076761314334219<96> (Robert Backstrom / GMP-ECM 6.0 B1=228000, sigma=1811189061 for P30, GMP-ECM 6.0 B1=228000, sigma=1811189061 for P38 x P96 / Mar 9, 2008)
(13*10^165+23)/9 = 1051 * 618500551 * 40014887286079<14> * 46629831888067<14> * 3282821361484088048052437<25> * 362764965293200023818281683244621133455373831880868477799823218502676270572651156415177348059793765067<102>
(13*10^166+23)/9 = 17395527517317667<17> * 830353918848661058750779982563391694568952892479610619097106624289312943313044760117752021755611270949042107099204623988670812158379879360719037360341<150>
(13*10^167+23)/9 = 3 * 571 * 1120864826830189595009<22> * 2196722081660400619860435665895112903415321030329429<52> * 34246415634863136312265358406712864250373833913675284562837241961141882980145948561830479379<92> (Serge Batalov / Msieve-1.38 snfs for P52 x P92 / 40.00 hours on Opteron-2.2GHz; Linux x86_64 / Oct 18, 2008)
(13*10^168+23)/9 = 6197231736504198581<19> * 6827481749527884299<19> * 125991706661408379069740433560492000863719150637957632449<57> * 270957140149426777544289571433775011527741409316792143226462515238075645737<75> (Robert Backstrom / GGNFS-0.77.1-20050930-k8 snfs, Msieve 1.35 for P57 x P75 / May 15, 2008)
(13*10^169+23)/9 = 61 * 2598593 * 5174929 * 13697428917972497<17> * 1285550946979232054281168380768012120658065422741060174335927873021846048400284919415880530736985672083393371231108913494068423957985194603<139>
(13*10^170+23)/9 = 3^2 * 7^2 * 446315784615474862410026239878656530619417<42> * 733871474114925252241865494143887940469879995924979497675057972980625973036265099361056138544027803999139735087936933070351151<126> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon snfs, Msieve 1.35 for P42 x P126 / May 13, 2008)
(13*10^171+23)/9 = 3983898590622918946099742220376300090916709488135066216815900242393474298893881<79> * 362570585467285289874408318951946873117767996253948597783388693466115940756746792298079012887<93> (Jo Yeong Uk / GGNFS-0.77.1-20050930-nocona snfs for P79 x P93 / 131.74 hours on Core 2 Quad Q6600 / Mar 12, 2008)
(13*10^172+23)/9 = 149371 * 167722932457097<15> * 44064556377957406403542099<26> * 149913770606299879910229935179747037<36> * 50877483285356724843669322116346571593229<41> * 1715479597622848701658232150207211689815887239314303<52> (Wataru Sakai / GMP-ECM 6.2.1 B1=3000000, sigma=789472094 for P36, Msieve v. 1.42 for P41 x P52 / 3.26 hours / Aug 22, 2009)
(13*10^173+23)/9 = 3 * 16916841312338544799<20> * 2846166566156212298699859853179869807885870627547993249249727838951282711902622697585005273319040444781492878373151878077945642349463302356123869201316651<154>
(13*10^174+23)/9 = 19 * 233584627 * 327017448697<12> * 1508884939339678464343119204491325903774757813009<49> * 659592843928901000722573606753947216311128546998729114026951853355308952821337342212632003472349819672303<105> (Serge Batalov / Msieve-1.38 snfs for P49 x P105 / 32.00 hours on Opteron-2.6GHz; Linux x86_64 / Oct 6, 2008)
(13*10^175+23)/9 = 509 * 43613 * 270494197 * 1625095091<10> * 507932858971<12> * 23948365687400334013371802775768660098182536495533207<53> * 121688119031360219222666386047313967484870171087785331609614661495244393987945086067789<87> (Warut Roonguthai / Msieve 1.47 snfs for P53 x P87 / Oct 4, 2011)
(13*10^176+23)/9 = 3 * 7 * 29^2 * 21292969 * 9728508841<10> * 98096280885089836692525776067342643262396844922860010801598875235244527<71> * 402485751386492542648353800315624819010184929471350281953787168049066115588649022869<84> (Robert Backstrom / Msieve 1.44 snfs for P71 x P84 / Jan 15, 2012)
(13*10^177+23)/9 = 17 * 15569 * 206069 * 6322067 * 3387472320884066176904644601702149<34> * 43642613691841337860076548914001350367<38> * 28335634240003151676182725598929837196089670987777438408809471894674788133032985748012771<89> (matsui / Msieve 1.47 snfs for P34 x P38 x P89 / Sep 11, 2010)
(13*10^178+23)/9 = 277 * 4761758900615140831294272937064147828242820480788864164772892249<64> * 10950997291772328108097594654307473313103101691401224343725196196487050663817487869687697193902016189467940704539<113> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon, Msieve 1.36 snfs for P64 x P113 / 55.55 hours, 4.72 hours / Sep 19, 2008)
(13*10^179+23)/9 = 3^2 * 3229 * 4597 * 60089 * 9879095759527441932587<22> * 288973695487016950467173988492936237031<39> * 6302970886238034739171505665375628792953474941628044343295005627629127166300252150262743694181327804174427<106> (Wataru Sakai / GMP-ECM 6.4.2 B1=3000000, sigma=1398906806 for P39 x P106 / May 14, 2012)
(13*10^180+23)/9 = 67 * 173 * 1201 * 8629 * 31183 * 7190848943<10> * 21741426124657<14> * 1287206237203019307596278076159400873925995900681683293<55> * 1916206180526868729685505492579832370432615361497856167037059013739424170947866978782217<88> (Dmitry Domanov / Msieve 1.50 snfs for P55 x P88 / May 13, 2013)
(13*10^181+23)/9 = 89 * 2351 * 4179597741403657136125578561199<31> * 16516716760333096667117988980295045301374057590810905188798934704363204087310377384973228139433525404697961018840872069367433826397908079799882327<146> (Makoto Kamada / GMP-ECM 6.1.3 B1=250000, sigma=3984167826 for P31 x P146 / Mar 1, 2008)
(13*10^182+23)/9 = 3 * 7 * 431 * 504877 * 302900359194380622368791<24> * 620741362332478637843569<24> * 1652669751954615254434527463<28> * 102018902795014993632340869013035640829170549<45> * 997106370883333600948149656195325748620925984243486157<54> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon gnfs for P45 x P54 / 4.25 hours on Cygwin on AMD 64 3400+ / Mar 5, 2008)
(13*10^183+23)/9 = 32797 * 194230109 * 226751500243661571246030543523786719607331695910187663819794246620911181291235943332796700323983784194557843856682728647178989148353288827983816328735168857123517123732839<171>
(13*10^184+23)/9 = 130313823514075667946558550056804849533881379<45> * 134178502432547024473255568544090457894328704524614680930133832431<66> * 826090095056379329198269351883150800396104341540990784443107295090242772603<75> (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp snfs for P45 x P66 x P75 / 360.94 hours on Cygwin on AMD 64 3200+ / Mar 28, 2008)
(13*10^185+23)/9 = 3 * 6699197 * 56662439 * 126841559960550153075538632626486274040210390451675498212320432112321953371322067366445757785835682518709324458090992856907018900429758723937835474992342037192138119163903<171>
(13*10^186+23)/9 = 127 * 1422107 * 6477644772041<13> * 12188549828209<14> * 498188026220317989265755325092823<33> * 347065102152677332898142918880620307<36> * 585856766702142170504531160865167510575296631805022573910322728449652570691412394047<84> (Ignacio Santos / GMP-ECM 6.3 B1=3000000, sigma=839293145 for P36 / Oct 6, 2010) (Ignacio Santos / GMP-ECM 6.3 B1=1000000, sigma=1673003406 for P33 x P84 / Oct 6, 2010)
(13*10^187+23)/9 = 1669 * 4027 * 311512763 * 3294371807<10> * 510290097199<12> * 1191107593453<13> * 42103336104117427<17> * 81833245643991275917541848002766588054252965890498015493532668769168512215639660989395325346677534909178697506170440128861<122>
(13*10^188+23)/9 = 3^3 * 7 * 21882899 * 39682621950481289503<20> * 880103652261416918717838857429351550456909957445826138372197460059174974956276090100197603403822063807064276345251916195768413842972946988720327601506880363959<159>
(13*10^189+23)/9 = 1481 * 516521 * 5724007 * 1399294996950107610550589081712240298378181577179271032125855643576564802528529297<82> * 235748188147382385023873244492155018328726099026687978125790727473460522432953126639636997193<93> (Eric Jeancolas / cado-nfs-3.0.0 for P82 x P93 / Aug 8, 2020)
(13*10^190+23)/9 = 4102505843284003964542961<25> * 1881580315956778183210367581<28> * 11508230466259537019830003899392039052640635905448818863231403411<65> * 162599918252461750138025996886640565549564043792072798450512927689520399897<75> (Jason Parker-Burlingham / CADO-NFS for P65 x P75 / Nov 14, 2017)
(13*10^191+23)/9 = 3 * 787 * 151303795183<12> * 239927831108970050531880906952823<33> * 1037206886448544711406825161076719875069927461334299633398859922031687<70> * 1624834060830944717212514640565809097033470430760424987011696845551325486169<76> (Makoto Kamada / GMP-ECM 6.1.3 B1=250000, sigma=899759065 for P33 / Mar 2, 2008) (Eric Jeancolas / cado-nfs-3.0.0 for P70 x P76 / May 19, 2020)
(13*10^192+23)/9 = 19 * 31301420412352178317<20> * 848648243141421493302267889782032008285353358841<48> * 2861906755444269464943864460087751406369540837155469582741889742589431857013807966239345720931255864569767998356202983258529<124> (Eric Jeancolas / GMP-ECM 7.0.4 B1=11000000, sigma=1:3076369676 for P48 x P124 / Oct 4, 2020)
(13*10^193+23)/9 = 17 * 1196455461628544734772941131559603494899791069387129434425021729<64> * 5746234301488081463418161619215684930851366835539570351147091267<64> * 123586790714944675816525046385603864129642170689196698566797580037<66> (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp, Msieve 1.38 snfs for P64(1196...) x P64(5746...) x P66 / 207.28 hours, 24.64 hours / Oct 1, 2008)
(13*10^194+23)/9 = 3 * 7 * 4357 * 115022837 * 71984333297<11> * 22513090507837<14> * 8469091189618167890062314493657595724221763604160485971763183173242421147974254450513919830321271503772120732615615489971694895495365472912609385627472918807<157>
(13*10^195+23)/9 = 103 * 331 * 577 * 911725164517<12> * 563220168489614860626764656859<30> * 41654141427322616652855513644521<32> * 37391517136576492214407196832292095434789606457973<50> * 91809241027487944385754632122283696654344609873546408374196174673<65> (Makoto Kamada / GMP-ECM 6.1.3 B1=250000, sigma=2224965545 for P32 / Mar 3, 2008) (Makoto Kamada / GMP-ECM 6.1.3 B1=250000, sigma=969132544 for P30 / Mar 3, 2008) (Robert Backstrom / GGNFS-0.77.1-20051202-athlon gnfs for P50 x P65, Msieve 1.33 / Mar 9, 2008)
(13*10^196+23)/9 = 85159 * 548323 * 860957 * 7691344377371965459393815249705473<34> * 44997442987375512536471289381699719482155251<44> * 1038155173862028000659840566016821034497933601638903950245668627611973942724223549642323026907018401861<103> (Ignacio Santos / GMP-ECM 6.3 B1=1000000, sigma=1833210724 for P34 / Oct 6, 2010) (Eric Jeancolas / cado-nfs-3.0.0 for P44 x P103 / May 20, 2021)
(13*10^197+23)/9 = 3^2 * 47 * 465067 * 4097767 * 3488972006228808849811<22> * 155745104983396520565796157796910248746884043299293135741188128726380645568747<78> * 329750756037997494921801026901809132908639654105403356087283318719348769551131496253<84> (Eric Jeancolas / cado-nfs-3.0.0 for P78 x P84 / Aug 26, 2021)
(13*10^198+23)/9 = 179 * 266983 * 30224853402660405081436763888371869521549149844274696552759912390053927950687305377664274618293639486732420463245958652870192882668725658080095038471042031790161360564614955490427506441247571<191>
(13*10^199+23)/9 = 88301 * 97171 * 14709557 * 9380701384113676637<19> * 96637000536716385619<20> * 57251133189500039825065474428151<32> * 333670648710684229453163570612770033938844831<45> * 6608731526570938248049146439234589449529372334618254009651625581707<67> (Makoto Kamada / GMP-ECM 6.1.3 B1=250000, sigma=764502261 for P32 / Mar 4, 2008) (Robert Backstrom / GGNFS-0.77.1-20050930-k8 gnfs for P45 x P67, Msieve 1.33 / Mar 9, 2008)
(13*10^200+23)/9 = 3 * 7 * 83 * 82871167208516606106967552750685280805762733473576847070822974437432268757569962389239497673232612991649136227449480461528654299738637088034678396124179256709377191304902148275642251545866003697329<197>
(13*10^201+23)/9 = 179209 * 66406671058399322440879<23> * 542663091332252366276500923547432018855832541999748129067797105088001750429396806257<84> * 223665516502434071468558109419204750278468958655819810275190647932626710059233271762518361<90> (Bob Backstrom / Msieve 1.54 snfs for P84 x P90 / Nov 15, 2021)
(13*10^202+23)/9 = 26241751 * 601981962487117<15> * 914375443529447320375140502023745872220591711054373293428090556539694590021102223536445265765329033212878402696750666344266642151445630183023307379769088499826826219071520640923741<180>
(13*10^203+23)/9 = 3 * 4583 * 29272783 * 55254217 * 7049420804704174843<19> * 3125498314198888503986621799860848235324715619480559095620049823278033<70> * 294800070961835275487119755707348656581288094797052925634665652010261708798151538603791231803567<96> (ebina / Msieve 1.53 snfs for P70 x P96 / Sep 18, 2022)
(13*10^204+23)/9 = 29 * 66306469 * 6253196650979<13> * 57270759681847<14> * 1782010559422265581<19> * [1177068235879608874649327456951716110161509077597724189153396972227076931425021104748417004823261805934300632132048611192007035309533948926372076797999<151>]
(13*10^205+23)/9 = 1445971796065392798731<22> * 588771534865045202614591<24> * 7734224079273066134172410669515942394947314369359772508757401163<64> * 2193701161429400224792691797626842197317095759568737790340266419687756491327435996321786855323689<97> (Bob Backstrom / Msieve 1.44 snfs for P64 x P97 / Jan 11, 2024)
(13*10^206+23)/9 = 3^2 * 7 * 725489861 * 5248365559693<13> * 199991197822463<15> * 9726948846786257<16> * 309540411472038053046352425537317844270923447679755780266443958536292979485678495423281413852268167720775069562365779799578455989612183418093191505473583<153>
(13*10^207+23)/9 = 59 * 772815973 * 44209216327<11> * 716572149940585377919738598012760263921914129755680223936254063663732283181365223491440384076427606779249028680673520919724042576406842759369489007562329000273630067292983230564880348623<186>
(13*10^208+23)/9 = 361481 * 967049 * 31002515267<11> * 2413650828781<13> * 23430145755070448757405587<26> * 71428259079528193042957390219<29> * 37108238149113728337363866733758461<35> * 7410292414186014442002877649289641911<37> * 1199899239855737057673232803534623266155718169963<49> (Warut Roonguthai / GMP-ECM 6.3 B1=1000000, sigma=3100074002 for P35, YAFU 1.24 for P37 x P49 / Mar 2, 2013)
(13*10^209+23)/9 = 3 * 17 * 4269814964895989<16> * 62213320882906955380306194593<29> * [10661988938146045406563538705969491328613944027578077715333701350956842646946579680142136742700123292728117144776455336593697440712299171229481888141945283775020561<164>]
(13*10^210+23)/9 = 19 * 510551 * 1083857687047<13> * [137383902482551075750685444759556384065861923309584758032904625787834572282904578274832931259227184002795327852070826218538586959718891719769092149915909077488298698101059686482918351625507429<192>]
(13*10^211+23)/9 = 8719 * 32917 * 1243811 * 2707657 * 12772349 * 851092072339<12> * 6120392981617536003383<22> * [224615253556558514657826039263142743173948732930375818398651800295531940620296232751561687775711376666516732229098459969458275847133168407326178200439<150>]
(13*10^212+23)/9 = 3 * 7^2 * 105186749 * 221424765391<12> * 297731961881047<15> * [141700317431114887375673414751338061917768930026082290924697334487492526408145223116846952115370436599439526404711336879629140781786990817250556274053719022433979079108695174737<177>]
(13*10^213+23)/9 = 67 * 113 * 24469 * 62110203942837481719831573198613335320195844637554781371103325417<65> * 8364311125487173971227056339286372228831689715324575682492905289503<67> * 15008532902531945306618374372577276327081392340821378267210485443284311703<74> (Bob Backstrom / Msieve 1.54 snfs for P65 x P67 x P74 / Jul 26, 2020)
(13*10^214+23)/9 = 34123 * 49958839280930675757295236768198004575936835119791<50> * 32445460580281008391103399696512244810613373858598078422836826104191363639<74> * 261148390473722784989370997757071655709175601873779673580830722680197194504103216153861<87> (Bob Backstrom / GGNFS-0.77.1-20060513-nocona, Msieve 1.44 snfs for P50 x P74 x P87 / Aug 28, 2017)
(13*10^215+23)/9 = 3^4 * 1040938966723<13> * 1713130935852693907176355948066308365200637110135260646801589676735020524785888803362431857889227059080275097898063683188839797029901746609524510869054772208895964680635236940116539324986107960371159269<202>
(13*10^216+23)/9 = 5090998211807408233<19> * 492346587635454069983239<24> * 576271267016532656660041625154073489686410453611757423749593708894686488576506398274240218226822671450215348094516607816916718253738640748256964568631280831657215857963244481<174>
(13*10^217+23)/9 = 557 * 961739 * 6557977 * 6714601 * 139187533951<12> * 11025046917385484690740591812449377596083<41> * 25437880316222500215772033433616140080017773725969107931<56> * 15686881422541007348569095166487851211882636046623771845306230915427879291560824671966159<89> (Dmitry Domanov / GMP-ECM B1=11000000, sigma=1170903856 for P41 / Mar 19, 2013) (Robert Balfour / CADO-NFS for P56 x P89 / Mar 25, 2020)
(13*10^218+23)/9 = 3 * 7 * 36139285867<11> * 5395771537750537028841009780955661<34> * 35273489789085641675945907719395240494511213038166447124096935788104095723485567412789710492566775892554048331291950374702194720568682672816216960134540016891157352195050061<173> (Warut Roonguthai / GMP-ECM 6.3 B1=1000000, sigma=3102652566 for P34 x P173 / Mar 3, 2013)
(13*10^219+23)/9 = 477128590447<12> * 661950661787836383369309993718052949290218523<45> * 6621143950896729657430180819055755824526150941159120782081924398021304091988081<79> * 690727506542720666747848851905062387902165265946915201342520485896485741051560533427<84> (Dmitry Domanov / GMP-ECM B1=11000000, sigma=4162164995 for P45 / Mar 19, 2013) (Erik Branger / GGNFS, NFS_factory, Msieve snfs for P79 x P84 / Jun 12, 2020)
(13*10^220+23)/9 = 131 * 27081353911<11> * 1649871438727<13> * 121535444242833332596205319434663136360917371986849161<54> * 20305146031677823538641456009799259948280680491874877703723526740191285903937708033890420029156616565579035396940032218984889814665053672672461<143> (Erik Branger / GGNFS, NFS_factory, Msieve snfs for P54 x P143 / Nov 20, 2018)
(13*10^221+23)/9 = 3 * 937 * 4229 * 2288123 * 5310347548913715951360612913364325812418485493230153087303116180322431547078231728915051351403283979365577496724827366006937148973306803550721859858355636560005095817553195836085803983016090826379832912582731<208>
(13*10^222+23)/9 = 1753 * 7349 * 2886251 * 849765462720583<15> * 504947805574552247<18> * 693757513880188841<18> * 130497838415067595750260510027768172758401507309654092359620465300579747496447480774359780785946846310331838770280325946185396317507857193446904787029408757961<159>
(13*10^223+23)/9 = 173 * 83493898522800256904303147077713551701991008349389852280025690430314707771355170199100834938985228002569043031470777135517019910083493898522800256904303147077713551701991008349389852280025690430314707771355170199100834939<221>
(13*10^224+23)/9 = 3^2 * 7 * 46665739 * 870629491 * 96549871391<11> * 19066534862457086880209<23> * 34878290664900103228631947129<29> * 126680796927136618074166317321109<33> * 2966356340948254759026326405098874203<37> * 2338923407572209544601680231826193203012090298225826624314446445538494284353<76> (Warut Roonguthai / GMP-ECM 6.3 B1=1000000, sigma=616480237 for P33, B1=3000000, sigma=2808310350 for P37 x P76 / Mar 2, 2013)
(13*10^225+23)/9 = 17^2 * 89 * 1738699375565287<16> * 32298956778647205665107369698192226804182024704227892527033410226226139581704179887933417179703149115119718840745175374371429710622187242570559190943342879061672573724357784558488599039283454781171472479761<206>
(13*10^226+23)/9 = 601 * 88158659 * 5221752231119407670483<22> * [52208971096684643510890490783016681855384384844120795922127144601606695946447728605069143125788475484945136410079353373721595213017396678148899360472274781478827113746590591073290794306594090351<194>]
(13*10^227+23)/9 = 3 * 49277 * 2088199 * 3186473 * 74728700353<11> * 4421733764108435119815606414593262749<37> * 444399112247899307027767629247371959226692673074623174388885331854843240719240334412475378469706938718901702259242032189222788165175491431715272940397092401575923<162> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=4235419659 for P37 x P162 / Mar 5, 2013)
(13*10^228+23)/9 = 19 * 127 * 823 * 1301 * 5419 * 19299349 * 111611831 * 225376110778282458773<21> * 141071206536899304201131<24> * 594798639620316803059593058897027<33> * 2532667154216719820931847135963349539871570290211899781857708539746454387942828188625464023320524620266543308725574073171973<124> (Warut Roonguthai / GMP-ECM 6.3 B1=1000000, sigma=2838906744 for P33 x P124 / Mar 2, 2013)
(13*10^229+23)/9 = 61 * 103 * 39535315999<11> * 652312608607833643<18> * 89144139194708633897655896269924111801130843433516317459733016449117222448297854987871348729314604287838550361778578154176340327323917337009160988432760356422588946500810004988326326998978625039337<197>
(13*10^230+23)/9 = 3 * 7 * 3251 * 2913065593577<13> * [726297108010104559856252258931803434730268084027984885501104763395583597166422114528455327709803809190162430903475938879269030249685458969774343578174833096484273759130321755506373425744276946846381863076921083241<213>]
(13*10^231+23)/9 = 21589 * 45437979752293<14> * 66996026671408832752133837<26> * 21978611686625855255177169608684976154620226123865058093860037949446073607963864185229399536102186663088066691809358588593626710720228856382083309300482988284291129373261955252507317990403<188>
(13*10^232+23)/9 = 29 * 2631275363392943411<19> * 144218586793261557418027<24> * 114619624350743801129651325505967502643254439<45> * 9059359433495443424138357365874349177799381601475685267699226581<64> * 1264034240424469179738720819218832182234934701661285686088154939076486616646892441<82> (Dmitry Domanov / GMP-ECM B1=11000000, sigma=2356649806 for P45 / Mar 19, 2013) (Robert Balfour / CADO-NFS for P64 x P82 / Apr 6, 2020)
(13*10^233+23)/9 = 3^2 * 263 * 14705147 * 4187494393<10> * 991012143305493026941513655946642676815674621488592542801457287203982579703697047227884799211880265237384612152918518987957769107772789099973204848176452825307941347213427342547317151516051413263356378868437902571<213>
(13*10^234+23)/9 = 14153 * 16813249133<11> * 7917941818522489130371<22> * 1114597514623750639970157457<28> * [687812891490583042939285953501991703688105245939834336214997526879316544528364313538945038728841289501711396722452267863218080391244699139631144077308226001953753285522449<171>]
(13*10^235+23)/9 = 3677 * 3761 * 5081 * 7859657046540594955309193561<28> * 26154781034564327795731561878913380712078894830276721798955782333639317132417555843715075962028393651640124387771733861458901352067019959752241410887972912535146737582270983098073458583940512174411<197>
(13*10^236+23)/9 = 3 * 7 * 97 * 28961 * [2448478304918017478492514774866761203167397491296285871429051895352647483935312536663019733569285277109912942602264929447201233254072888746892214762443370628498370499077457635660864532112285489828057739329812651311132916505516771<229>]
(13*10^237+23)/9 = 1009 * 25425851828060371<17> * [56303340809098069339517412465551629724543891715416364307315580890494598199037020526225411338894406339548582367609664736537019843892996182648130489251611660259313553694013558678603894887477333177894763343801416172364373<218>]
(13*10^238+23)/9 = 63281 * 65293 * 1427134860420299461533439<25> * 6010566770707545713242417<25> * 407549575516311106203458048565988556306196509683908617059059655376373128909500915308349345544339971175561976042129616408582172483550621355588933656169401373812061050648481640986693<180>
(13*10^239+23)/9 = 3 * 26893 * 55901 * [32027331820666831959874011582743335416255248335402642277309119133559164361848864746130365081096923898155298046726737002612910275879691322677890836873027736442866033763766884004926303161849324786724637139471195528457672571996656093<230>]
(13*10^240+23)/9 = 631 * 140733532324521043467347<24> * [16265742594205349393664121402089266794119606979174947445536127619778457714286655836108726481850256620705209292691716076904164226225922760553610627973803566444708789387090582049674018611211507722108594604472178329571<215>]
(13*10^241+23)/9 = 17 * 83 * 7523 * 115632725660341<15> * 11594813911485984577<20> * [1014934981678786835824385852207884938359024474267800130020618740539560994457063041556393345441069152697548751604029501859174045918037126008804710291716681096317577720457585233536399908353630578049578507<202>]
(13*10^242+23)/9 = 3^3 * 7 * 383 * 37693 * 13114921612935534274139<23> * 315632822088874423305864455618435478164083<42> * 12788856157416443961800500635255441064867075121161211029067338764127773634260078501087308427820413960988489326785572245328843988087271682585041674969409830388866353907641<170> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=1564400386 for P42 x P170 / Mar 6, 2013)
(13*10^243+23)/9 = 47 * 1279 * 133446126820242599041640237703088752899<39> * [180063823277223506293582124623028447045277400813931444598502392191502441307611974847385493585393872287313827448115689568308323868311113298407716646871839791119764304989804411594871432190492321485807781<201>] (Dmitry Domanov / GMP-ECM B1=3000000, sigma=614666357 for P39 / Mar 6, 2013)
(13*10^244+23)/9 = 2917 * 41719 * 3023563 * 78331019826917573<17> * 501161523572117112660480888920089535504083553917923205335195989124782958098909630327431382337453030601618996580100795484942704859961787762281760562567274993480629424125519331599723452319813006605121722528130724611<213>
(13*10^245+23)/9 = 3 * 953 * 28853807 * 130455389 * 30579140101323432962116212194324783652499<41> * [438931017873758610384857811604398887497526595204379142211887628662232734601905144222311468889515927943542075815861306590086965335254469363368893752629890463080409785894969326231279676629<186>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=3568595572 for P41 / Dec 8, 2015)
(13*10^246+23)/9 = 19 * 67 * 233 * 32029 * [152045348621730702257678875652502585832641695153412136248304872124347884556712337374690851819787308473113624905654924054557767235839611771475094970100455817628987369663988737005294296079217230078776668552585826425964343795306885624607627<237>]
(13*10^247+23)/9 = 277 * 15032491 * 16514965739<11> * [210045046606795505411514220517437851607580156923837169089078405348169340116244789092003222318721671538969782872390318444893057351270133106489174175300122855610214439359448458204163574042190965419494051716647100642216700968154939<228>]
(13*10^248+23)/9 = 3 * 7 * 586619687 * 6614933678959043<16> * 71692380170695777<17> * 856718505260853361362620219636286958440767<42> * 7276419442889912014170564453940592982468476119<46> * 3966162896451110865889344887853282585479429859100865997345166254036939639201514230028958176229706043024761739967852287<118> (Warut Roonguthai / GMP-ECM 6.3 B1=1000000, sigma=3564306920 for P42 / Mar 3, 2013) (Serge Batalov / GMP-ECM B1=11000000, sigma=526495377 for P46 x P118 / Jan 5, 2014)
(13*10^249+23)/9 = 293 * 1889 * 57719 * 27823893474971852914699462292231<32> * 2787133153260500797662080012552911<34> * [583051406226324616852502284133124849598835263496492319769065517946426030355637425784399800790958912137061672248957172827850974542464969351727673039045147826074231646659338109<174>] (Makoto Kamada / GMP-ECM 6.4.3 B1=1e6, sigma=1169593241 for P34 / Feb 19, 2013) (Warut Roonguthai / GMP-ECM 6.3 B1=1000000, sigma=3601811268 for P32 / Mar 2, 2013)
(13*10^250+23)/9 = 1246907 * 8840509 * 12260778683<11> * 246767786562731173261<21> * [433094821067240478482126138540993428197170662578450449162373271656307240954828604404549035988493303692151723712681045668430501099349806635001867552202632031991424107740579762285180910297125397716502947806863<207>]
(13*10^251+23)/9 = 3^2 * 11677 * 141269 * 3229531 * 196430909 * [15336663830950850531908919329735388920572500319694532983396802508827961809192028195234500259423886481083461707400341630567122544333193369747512116422186233824814416579655254919295559196536326715299226001815961739651982300853929<227>]
(13*10^252+23)/9 = 149 * 227 * 128874011859872387918055821902105198476520203430199<51> * [331377768370875763060077284290362268332337339518961738962813642766150544239858870727407173035472179685076823497344321804456311120936559987403004861287377046197723652485368527607904835110580169336711<198>] (Makoto Kamada / GMP-ECM 6.4.4 B1=1e6, sigma=1638838808 for P51 / Nov 12, 2015)
(13*10^253+23)/9 = 1490766014392258723968043087<28> * [9689276724176609194181473434499418597049706004085202952153793505115211747574617000232973490592448237006556019146256434248598464026147676386564401350984241478771116310640751662376571650104547605154240930870888194553870518751281<226>]
(13*10^254+23)/9 = 3 * 7^2 * 257 * 411118002433<12> * [9300020166272503756651201867533454630147605079669948089855492161378317280643569281157948021291080727738003795446476280936058949311620780986209042276163124826097073879327384860455611200242704715303071025072860043363507681002419061361486021<238>]
(13*10^255+23)/9 = 1315119578532056097230520832750529<34> * [1098336963439280170333621015468247154250565567280897188481014769145422337810186704719091908701688374602555555718932681100185737634803742862403372911031612192377027519178715885329845584949109179320729736329318691839219397343<223>] (Makoto Kamada / GMP-ECM 6.4.4 B1=1e6, sigma=2990487078 for P34 / Nov 12, 2015)
(13*10^256+23)/9 = 33289 * 5496231765195207213221451427<28> * [78946895390868354105649036995519203629542581740546207092551313130712825271708275893997400367075628721865329100528269120985068508361689861919492197947465726535657808851782725012192634986498651161148788612972416745698332755949<224>]
(13*10^257+23)/9 = 3 * 17 * 167 * 118151321 * 1469108339<10> * 97706125099999703076794210498796888284109344367932571890642178831030912117827496941819831366952967780050768269838001342402472773257214936100336350605694335756459937065328067884805271083773755862515133934223323824032695197458834799671689<236>
(13*10^258+23)/9 = 20743 * 36167489942943791<17> * 5580839602572501623<19> * 99996247225870995869<20> * 15378656705456812134100230319116583<35> * [224341315106137359500468885695384215749676629409646688654241748781179898446873404774970074122274092132242944060923221706533606099950606395972724346602618479266777139<165>] (Dmitry Domanov / GMP-ECM B1=3000000, sigma=3736760064 for P35 / Nov 25, 2015)
(13*10^259+23)/9 = 1930936121496037903464265147506333170773<40> * [7480539767029306704665537047432683497448554829203419015824055190561010301987631927161232789903892617009342800186190887154814470952134436632215399085622555320745234455809632687843326279746426978211396759345318878729759139<220>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=3200450834 for P40 / Nov 27, 2015)
(13*10^260+23)/9 = 3^2 * 7 * 29 * 109 * 379 * 983 * 118402343 * 407152393 * 202756606119722562802711<24> * 199182311730588920631198821561070564681316067924021250874806035947235454119255639152191453563810183552836950273549709493010303159143955437251523553861151444215230572745174219803668331909304161461918597113351173<210>
(13*10^261+23)/9 = 349 * [4138809296402419611588666029926774912448264883794969754855141674625915313594396688952562878064310729067176058580070041388092964024196115886660299267749124482648837949697548551416746259153135943966889525628780643107290671760585800700413880929640241961158866603<259>]
(13*10^262+23)/9 = 75236735702203925573<20> * 191986591518500985227137056937421885929643054534517972684904598714748169600235700034598175666340565866871469757334986275091115680410455682373345525535322539347650387032579073190704575463058160359465226613252495999866420145661086097618395102739<243>
(13*10^263+23)/9 = 3 * 103 * 18951463518803<14> * 18487450247140993117997<23> * [1334205084570244417027938295678073823654301694699347136370437726556639242786311786372790094850967616043099285332467069571795138346819068335084836294392834287368903894478265148006591003774689176090662868866304787684943534650613<226>]
(13*10^264+23)/9 = 19 * 88744412426339<14> * 3310576629873874288354974078569<31> * 258763239000111376535311734883105381106691799735711559091036087987877568755594848987443841975350972168825297349983597789934961221590999396926766177096731147873766809348030184311847150943787270510724160828400371798544543<219> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=1586184952 for P31 x P219 / Nov 25, 2015)
(13*10^265+23)/9 = 59 * 5881304484624686249179<22> * [41627005185456332450888910732187507839510016252061122877807305143911573096078511603577904358904025317947722175015362964617733930288662085224726578622492769445997516336546395337146116636399724043195272309291179289644469871583257524217184394327<242>]
(13*10^266+23)/9 = 3 * 7 * 173 * 1523 * 6547 * 305941112052116340451<21> * 74126707986125850531551<23> * 175825008279653959772566924106728695547489886005443080457168169335766716705095400519058498933695446458143984229750419254443439527019922927269313650933437484622081474555729991268240845117321055329760518560464439139<213>
(13*10^267+23)/9 = 181 * 13168131639835789<17> * 181386199207156583153<21> * 3341133800276821962970150944822860080655112798566491933660906877877072215952533271845265310787003099881279603591920678083462821026370434928705526009741348825786622765720142062502270831460402752687231079831284944549427280018603711<229>
(13*10^268+23)/9 = 3346685599<10> * 4592206914699213154342891162467953<34> * 939862841788687382501198438348883084243780912303206103154354155763210471640908836136865303657170926326992106827630255605482308955786302002300915885984703212698706683989137169439816672718821125935358286978297203976189580214801<225> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=3287008439 for P34 x P225 / Nov 25, 2015)
(13*10^269+23)/9 = 3^3 * 89 * 653 * 11131 * 13456657 * 125500867222779048203413267<27> * 72476271780549424148436143650733<32> * 2386553890982106578712422309272941672176759<43> * 28310576158289311738879650314611526771306917418564323806604487111184281831242506469944631320900770016011842119587003178961081821017568626716576056529451<152> (Makoto Kamada / GMP-ECM 6.4.4 B1=25e4, sigma=3832185746 for P32 / Nov 2, 2015) (Dmitry Domanov / GMP-ECM B1=11000000, sigma=1711916215 for P43 x P152 / Dec 9, 2015)
(13*10^270+23)/9 = 127 * 1131916728853<13> * [10048069803012185396298976833871077386018613873956658300818000056023164045322748316474274478917459757219246911246786134107208316635223018474832315684695266123085041911333810439044038808900182992364726395527566932457741457926141291434750126771105435746558237<257>]
(13*10^271+23)/9 = 52121 * 288773 * [959691213556093976092726761242096241792706263249879801921842185085589201256051298647344866066240100740460388459626498347833843054448716826062933062990598110325861205087723414695372476631560419642897461818339524467120185237127647768763793970737377384939244010059<261>]
(13*10^272+23)/9 = 3 * 7 * 3407 * 324026540857033768121<21> * 6230585069520701704917593159776079555637519855872243271085176565007087168741533539412224093934491155915821178513039187212330266963893121404874319853998851339432951082964142488039246616349580200694853778678034166596870420314451337004853389455864981<247>
(13*10^273+23)/9 = 17 * 4397 * 1187322757<10> * 119325662473<12> * [136393228615705550813344641594857227902433865241787532901537924905400063263063267186308267646581127552729731142871064765960164739582541605411438683405497946275858361203132121179135012151995537260120711328391644607435316035453835710753567273826750423<249>]
(13*10^274+23)/9 = 14444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444447<275>
(13*10^275+23)/9 = 3 * 1433 * 60467301079<11> * 264878613506262079567<21> * [2097808876523941366374513961236980918985710056754030929169461622745285104642618721726503631516224910816015563093936606262397337888647323845851092122991110616297447695414029235953485975819251412433420775799012453881044797279114340550129383621<241>]
(13*10^276+23)/9 = 1444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444447<277>
(13*10^277+23)/9 = 1097 * 16752937330848127668241686391<29> * 785965080718813301329244948113691537955798953985043285524617814084206410875912813629913905760415768704039164199735607937354865729758732371855296922555190517931852626310004959137565313845759680376309537254444196051190652578141917434681134289047761<246>
(13*10^278+23)/9 = 3^2 * 7 * 401 * 140552453 * 3051678090961<13> * 1664355008382617<16> * 113126638072871757243211<24> * [70799130395631206237561196851985275812067461825892314195581946611644527068359050636783877369655779268810203718796660376760413866390243778552848441763327908250608436600798871348891340315578098005773364993302902852639<215>]
(13*10^279+23)/9 = 67 * 2837 * 8087 * 8923 * 843336311 * 207619635191<12> * 1220704422588299308349<22> * [492706880126896842010512360359356627953515810266254392956336621880452388951464826171606712575251830466478247117241467100815607457418291541267288963083587120693091646991192020031084844019448525130274950087561170805127430876057<225>]
(13*10^280+23)/9 = 773 * 18686215322696564611182981170044559436538737961765128647405490872502515452062670691389966939772890613770303291648699151933304585309759954003162282593071726318815581428776771596952709501221791001868621532269656461118298117004455943653873796176512864740549087250251545206267069139<278>
(13*10^281+23)/9 = 3 * 313 * 24977 * 1547271158669<13> * 3980416762135774183150957201469862348500473115258265738889980317209898874001069170624637186785364113059769124096916101429411945913164574063724933843684690143257436007333354120970838069664320300566518137436495347441992645563002502558042857740097999522158141653121<262>
(13*10^282+23)/9 = 19 * 83 * 2129367193<10> * [430148676416223098081880805333153883229268164960334937573976050359482907630243112319018099041676644117046215601456807694713316122668418575052970361783456804645974417384708388335698696462740257589537792989941769954587404199815821664697496002857166742528466983172855821727<270>]
(13*10^283+23)/9 = 367 * 479 * 101221 * 606669317583040507<18> * 200675070997438751705844343<27> * [6667809528900028621611751748289270262981327073579807596167237584038381675809705994540032928320005943178432065141393899872408163375851061276861028833674605889781328388513603512398271741004016928054857779327788881115259530865302799<229>]
(13*10^284+23)/9 = 3 * 7 * 78569 * 159077953 * 2336940391<10> * 538506772464767<15> * 5849347270024828771<19> * 47569976052147497776857761368693247293<38> * 15900237701813377894455750980526794763817<41> * [98841099724283780630075829742458164563230924772720007033706754308582016083237292228240583704482029754485922971559984370566569593043990434741502321933<149>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=270619128 for P38 / Nov 29, 2015) (Dmitry Domanov / GMP-ECM B1=11000000, sigma=1053304253 for P41 / Nov 30, 2015)
(13*10^285+23)/9 = 10290769 * 140363120039371639227782145770101772223673900798321723521774169106744544012643218834709480355107032763483899448568366897016582963279463803379946089980685062937905266792447138250255587745137845815453096308394877432818134820094051712213581360580967704594714393496194933968923454063<279>
(13*10^286+23)/9 = 4148266062950827835059418650727<31> * 59441216911310980459570778649029102803<38> * [58579619628956161772110535019961335081742086769306388138565422956591758976702510536478491591870896691837937431168313067104550257550579351227949122737058197232003834617805698746101798466734583599297262101359971910257587<218>] (Makoto Kamada / GMP-ECM 6.4.4 B1=25e4, sigma=1927060323 for P31 / Nov 3, 2015) (Dmitry Domanov / GMP-ECM B1=3000000, sigma=801885449 for P38 / Nov 24, 2015)
(13*10^287+23)/9 = 3^2 * 419 * 30869 * 1757248585993<13> * 3038735146441<13> * [232378368464533661725136052901766430206057252513959919290974106919428542663120245256573004144584952471628418380480746517820264869890088213924218991573500935669726998414837330559245463231241676233852861504111138581022563434255092698155590128783982404690281<255>]
(13*10^288+23)/9 = 29 * 10949 * 73277257 * 261546150148386804848137<24> * 30272601033154592125129004321227<32> * 6495059508088437113957023473755415137<37> * 1207196539170939694059468535287033405433402244291600619666746828835592103799829674961409336831956429466645795883370278342141664380018823557973269299685456001038354406276993464554319677<184> (Makoto Kamada / GMP-ECM 6.4.4 B1=25e4, sigma=3463891947 for P32 / Nov 3, 2015) (Dmitry Domanov / GMP-ECM B1=11000000, sigma=281489169 for P37 x P184 / Nov 27, 2015)
(13*10^289+23)/9 = 17 * 47 * 61 * 28151 * 183455339 * [57385219405335154735970628552781591220134435637349797871891549251825091295663064326260150036471269374696292647321650712616111896707604541009757186904075612203478392329502381805011575049927662231846804274037890549078362507166968908489268424716562379524163179127304969571257<272>]
(13*10^290+23)/9 = 3 * 7 * 6054089050813<13> * 1297820475593933<16> * [875423340636892949711935068732274672436742973536391588265547348046484143304787426247526485398672923819712931582699582582609114700399392533439412460993809613472666717008672090509881642220969893109440791412820995816473099419808416574526893313516569495707695014683<261>]
(13*10^291+23)/9 = 13513 * [106892950821020087652219673236471874820132053906937352508284203688629056793047024675826570298560234177787644819392025785868751901461144412376559198138418148778542473502881998404828272363238691959183337855727406530337041696473354876374191108150998626836708683818874006101120731476685002919<288>]
(13*10^292+23)/9 = 47437948232023<14> * 346994520196417<15> * 54213903998567771<17> * [16186078684150072694645232598602157409840047235519038035020045431419651217796090462095973248896279983674442237926830083753905817991117846461200230897449793432150107881552167889957708188798580172117423462660547179172736737761970663428135758091749627<248>]
(13*10^293+23)/9 = 3 * 971 * 1021 * 1109 * 704388613 * 7385383801<10> * 64863507182987582560780271<26> * 3515575103157216434617204701936241837<37> * [36916529482583902115752026454754111311466514227870696822355423544126452969570196703326141145235254874348588186422736591891223705546959355566476007694188747699082195717444731984047154601559984420792076121<203>] (Dmitry Domanov / GMP-ECM B1=3000000, sigma=93546152 for P37 / Nov 25, 2015)
(13*10^294+23)/9 = 132347 * 1162943 * 5493390131447321<16> * 127460146044263964001100213251<30> * 267646896792557398044724707777091<33> * [50078492337553261569745124090394013134462404225347858182915122219733566497148241059130210397373232845927754717963964676052068250188659995274778752828713284227028369988365700734333399594513179329577057358387<206>] (Makoto Kamada / GMP-ECM 6.4.4 B1=25e4, sigma=3092332875 for P30 / Nov 3, 2015) (Dmitry Domanov / GMP-ECM B1=3000000, sigma=3008832247 for P33 / Nov 25, 2015)
(13*10^295+23)/9 = 14327 * 463283 * 2176202063459432585665954134402908604649054393484553578035701745191462736223914760598235161036756154815266497382697036801808454394955689608956500043914108749047882239433661382387321130298241261612458677626334167026015254848460979611470733080492123547083272952117005290302470207452715267<286>
(13*10^296+23)/9 = 3^7 * 7^2 * 311 * 23006323 * 62386307 * 68022533 * 530872234731078919277952223241437382207<39> * 83621179307999148775065434244849252545261349552886180968088123546254972691840057463234251568797594281282643805564469711409988120538371217906118545731597697283211945887351222161430791563894832390394495027903241825223832808392969<227> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=2266656185 for P39 x P227 / Nov 24, 2015)
(13*10^297+23)/9 = 103 * 804697 * [17427345286902290032129978760798289794013457280741954050393815172431536637174866246700086925855556539932451261121060985789663559723570612792607959310698571261592564515351915363577474930465529073645345740091020262869545197859548249240245833403595697552546123818641988087205669012466435620017<290>]
(13*10^298+23)/9 = 809 * 7433 * 1175807 * 478799147 * 81823658676103<14> * 15722461145721199<17> * 6038956746581784895921001807620883363<37> * [549208734026642667289641720690541702296253477377809813561751577976792234724089037720017291921577052252403569064772598538473912431465468295369553033643245125091475981769619735274358298759150982577122076705357129<210>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=1056086062 for P37 / Nov 30, 2015)
(13*10^299+23)/9 = 3 * 108167987 * 152338399 * 161507985021052362146128513<27> * [18091619893301183667183210991929808334414581833680744447172773528093449647799298812513471288615633930996101701277315370775843496013210335473231739009868695884310629253799777818685243332277284617160659871665498565530172666757747971421472694753706830240281321<257>]
(13*10^300+23)/9 = 19 * 13288307 * [5721074310885916247722406760535070199388333804514412338307911746234151353970328335495672780288970732905666393470845594767301588985217741648014083059895576830479388835868392630114361146487044050494700041426783176028148358055831556683411665864719475964626345808522700860017459213714197414093159<292>]