Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
25763719
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 270
P-1
B1 = 300000
B2 = 6075000
LL
StatusDateUserResidueShiftSoftware
Verified2006-01-15Will Russell4CD56F260B00213724566452Windows,Prime95,v23,(aka WZ1)
Verified2012-05-30Dubslow4CD56F260B0021379126343Linux 64-bit,Prime95,v27.7,build 2
History
DateUserTypeResult
2024-05-16James HeinrichNFno factor TF: 68-69
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
2021-07-10mikrNFno factor TF: 70-71
2017-03-26ramgeisNFno factor TF: 69-70
2012-05-30DubslowC-LL4CD56F260B002137
2012-05-18Carsten KossendeyNFno factor TF: 68-69
2012-05-12Architects CubedNFno factor TF: 67-68
2006-01-15-anonymous-C-LL4CD56F260B002137
2004-10-03-anonymous-NF-PM1B1=300000, B2=6075000
2004-06-21iPrimeNFno factor TF: 1-67
2004-04-291997rj7NFno factor TF: 1-62
2001-08-12Net_ForceNFno factor TF: 1-56