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June 26, 2026 2026 年 6 月 26 日 (Schildkroete)

# via yoyo@home

n=3420M: c392(7093577090......) = 11910496620270230227967351103984592528826219533871461 * p340(5955735781......)

# ECM B1=850000000, sigma=0:14888554157636030172

June 22, 2026 2026 年 6 月 22 日 (Alfred Eichhorn)

# via Kurt Beschorner

n=59441: c59441(1111111111......) = 658830707682755169056044723 * c59414(1686489561......)

# ECM B1=1e6, sigma=0:6996752501839657

n=59471: c59471(1111111111......) = 190815741323077589216921714573 * c59441(5822953092......)

# ECM B1=1e6, sigma=0:7404090761943369

n=59539: c59539(1111111111......) = 135548153477087092759519855361 * c59509(8197168921......)

# ECM B1=1e6, sigma=0:5707363897398941

June 22, 2026 2026 年 6 月 22 日 (Kurt Beschorner)

n=3016: c1345(1000099999......) = 79745540397089767290902971445484579513353729 * c1301(1254114016......)

# ECM B1=20e6, sigma=2848204528186435

n=12278: c5208(9208815075......) = 1045177907460420329867780401133867851 * c5172(8810763229......)

# ECM B1=1.5e6, sigma=4051930692612612

n=12279: c8158(2261799745......) = 9637219349226698572164080730659317 * c8124(2346942269......)

# ECM B1=1e6, sigma=7164493398039665

n=12324: c3694(6345868770......) = 32860792314779471409511216930296349 * p3660(1931136872......)

# ECM B1=3e6, sigma=309243589456182

$ ./pfgw64 -tc -q"9901*(10^26+1)*(10^158+1)*(10^4108-10^2054+1)/5127031718619894517495639056308112305656537919290365258799799380602576547694440365961/(10^78+1)/(10^474+1)"
PFGW Version 4.0.3.64BIT.20220704.Win_Dev [GWNUM 29.8]

Primality testing 9901*(10^26+1)*(10^158+1)*(10^4108-10^2054+1)/5127031718619894517495639056308112305656537919290365258799799380602576547694440365961/(10^78+1)/(10^474+1) [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 7, base 1+sqrt(7)

Calling N-1 BLS with factored part 0.28% and helper 0.03% (0.90% proof)
9901*(10^26+1)*(10^158+1)*(10^4108-10^2054+1)/5127031718619894517495639056308112305656537919290365258799799380602576547694440365961/(10^78+1)/(10^474+1) is Fermat and Lucas PRP! (0.5119s+0.0154s)

June 17, 2026 2026 年 6 月 17 日 (Kurt Beschorner)

n=3017: c2576(2130732474......) = 49473518867236296999163440070344126523 * c2538(4306814076......)

# ECM B1=11e6, sigma=5943577211292700

n=12320: c3840(9999999999......) = 12387457044434846313038653536577732392641 * c3800(8072681878......)

# ECM B1=3e6, sigma=383306035719674

n=12321: c7955(4352808270......) = 98481601921708468998211578895369 * c7923(4419920254......)

# ECM B1=1e6, sigma=1985997901299033

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