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
37145807
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 271
P-1
B1 = 400000
B2 = 12000000
LL
StatusDateUserResidueShiftSoftware
Verified2008-06-14Stephen Grupp1E6651954978A7F512593917Windows,Prime95,v24 final,(aka Wc1)
Verified2016-08-16Dubslow1E6651954978A7F520969932Linux 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2024-05-21James HeinrichNFno factor TF: 68-69
2022-07-28Sid & AndyNFno factor TF: 72-73
2022-06-19Architects CubedNFno factor TF: 71-72
2016-08-16DubslowC-LL1E6651954978A7F5
2016-01-15HBendtzNF-PM1B1=400000, B2=12000000, E=12
2014-11-22NickOfTimeNFno factor TF: 70-71
2014-10-20VictordeHollanderNFno factor TF: 69-70
2012-10-26Carsten KossendeyNFno factor TF: 68-69
2012-04-11Carsten KossendeyNFno factor TF: 67-68
2008-06-13Stephan GruppC-LL1E6651954978A7F5
2007-04-23-anonymous-NF-PM1B1=645000
2006-04-14TheJudgerNFno factor TF: 1-67