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
332297947
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3170000
B2 = 93515000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-09-06HarveyD1A5F8D0673815__94578058Windows 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-24Mark RoseNFno factor TF: 80-81
2023-02-24Mark RoseNFno factor TF: 79-80
2023-02-24Mark RoseNFno factor TF: 78-79
2021-07-01Random GPUsNFno factor TF: 77-78
2019-09-06HarveyC-LLD1A5F8D0673815__
2018-05-23Random GPUsNFno factor TF: 76-77
2018-02-27dongdongaiNF-PM1B1=3170000, B2=93515000
2015-07-15Team_InspectorNFno factor TF: 75-76
2014-12-03Team_InspectorNFno factor TF: 74-75
2014-10-21Team_InspectorNFno factor TF: 73-74
2013-01-13LaurVNFno factor TF: 72-73
2012-03-16Team_InspectorNFno factor TF: 71-72
2011-06-21Grant McCrackenNFno factor TF: 70-71
2010-06-20SunfishNFno factor TF: 69-70
2009-07-16SunfishNFno factor TF: 68-69