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
25401149
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 270
P-1
B1 = 2000000
B2 = 5002792872
LL
StatusDateUserResidueShiftSoftware
Verified2004-10-03Alan Hatfield51535AC16C85E67825120405Windows,Prime95,v23,(aka WZ1)
Verified2012-07-15Dubslow51535AC16C85E6780CUDALucas v2.04 Beta
History
DateUserTypeResult
2024-10-03timc995NF-PM1B1=2000000, B2=5002792872
2021-10-19TheJudgerNFno factor TF: 74-75
2021-09-30TheJudgerNFno factor TF: 73-74
2021-08-28TheJudgerNFno factor TF: 72-73
2021-08-28TheJudgerNFno factor TF: 71-72
2021-06-16mikrNFno factor TF: 70-71
2017-03-21ramgeisNFno factor TF: 69-70
2012-07-15DubslowC-LL51535AC16C85E678
2012-02-27garoNFno factor TF: 68-69
2011-10-28Carsten KossendeyNFno factor TF: 67-68
2004-10-10-anonymous-NF-PM1B1=380000
2004-10-03-anonymous-C-LL51535AC16C85E678
2004-08-20-anonymous-NF-PM1B1=380000
2004-04-29MarzbugNFno factor TF: 1-67
2004-02-14markrNFno factor TF: 1-62
2001-08-31MattNFno factor TF: 1-58
2001-08-12Net_ForceNFno factor TF: 1-56