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
25353641
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 270
P-1
B1 = 1000000
B2 = 513267300
LL
StatusDateUserResidueShiftSoftware
Verified2004-10-18Todd Burgdorf3DBB11B318E9141A9380119Windows,Prime95,v23,(aka WZ1)
Verified2012-04-27Dubslow3DBB11B318E9141A20213087Linux 64-bit,Prime95,v27.6,build 1
History
DateUserTypeResult
2024-05-13James HeinrichNFno factor TF: 68-69
2021-12-14Anton RepkoNF-PM1B1=1000000, B2=513267300
2021-09-30TheJudgerNFno factor TF: 73-74
2021-09-30TheJudgerNFno factor TF: 74-75
2021-08-28TheJudgerNFno factor TF: 72-73
2021-08-28TheJudgerNFno factor TF: 71-72
2021-06-13mikrNFno factor TF: 70-71
2017-03-20ramgeisNFno factor TF: 69-70
2012-04-27DubslowC-LL3DBB11B318E9141A
2012-01-02Carsten KossendeyNFno factor TF: 68-69
2011-10-06garoNFno factor TF: 67-68
2004-10-18-anonymous-C-LL3DBB11B318E9141A
2004-08-20-anonymous-NF-PM1B1=240000, B2=1140000
2004-07-13trifNFno factor TF: 1-67
2004-02-14markrNFno factor TF: 1-62
2001-08-24MattNFno factor TF: 1-58
2001-08-12Net_ForceNFno factor TF: 1-56