Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
25726303
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 270
P-1
B1 = 912000
B2 = 47693000
LL
StatusDateUserResidueShiftSoftware
Verified2004-10-18Mason Guy6631E8A416BBB49E6213911Linux 32-bit,Prime95,v23,(aka WZ2)
Verified2012-05-27Dubslow6631E8A416BBB49E17542008Linux 64-bit,Prime95,v27.7,build 2
History
DateUserTypeResult
2021-10-26Architects CubedNF-PM1B1=912000, B2=47693000
2021-10-17TheJudgerNFno factor TF: 74-75
2021-09-19TheJudgerNFno factor TF: 73-74
2021-08-28TheJudgerNFno factor TF: 72-73
2021-08-28TheJudgerNFno factor TF: 71-72
2021-07-08mikrNFno factor TF: 70-71
2017-03-26ramgeisNFno factor TF: 69-70
2012-05-27DubslowC-LL6631E8A416BBB49E
2011-12-19Roy OswaldNFno factor TF: 68-69
2011-12-17David CampeauNFno factor TF: 67-68
2004-10-18MasonC-LL6631E8A416BBB49E
2004-10-03MasonNF-PM1B1=380000
2004-06-12Gordon BowerNFno factor TF: 1-67
2001-08-12Net_ForceNFno factor TF: 1-56