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
25457681
Composite: 1 known prime factor
Trial Factored to 275
TF target 270
Factored
FactorDigitsBitsDate
276693616100496047170072374.62021-10-19 16:38:03
LL
StatusDateUserResidueShiftSoftware
Factored2004-09-16Mark Haselgrove91D41697411C24D73076024Windows,Prime95,v23,(aka WZ1)
Factored2012-04-20Dubslow91D41697411C24D70CUDALucas v2.00a
History
DateUserTypeResult
2021-10-19TheJudgerFFactor: 27669361610049604717007 / TF: 74-75
2021-09-30TheJudgerNFno factor TF: 73-74
2021-08-28TheJudgerNFno factor TF: 72-73
2021-08-28TheJudgerNFno factor TF: 71-72
2021-06-19mikrNFno factor TF: 70-71
2017-03-22ramgeisNFno factor TF: 69-70
2012-04-20DubslowC-LL91D41697411C24D7
2011-11-06David CampeauNFno factor TF: 68-69
2011-11-02Carsten KossendeyNFno factor TF: 67-68
2004-09-16-anonymous-C-LL91D41697411C24D7
2004-08-20-anonymous-NF-PM1B1=380000
2004-05-11MarzbugNFno factor TF: 1-67
2001-11-03MattNFno factor TF: 1-58
2001-09-30MattNFno factor TF: 1-58
2001-08-12Net_ForceNFno factor TF: 1-56