Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
37971853TF
No factors below 273
TF target 271
P-1
B1 = 400000
B2 = 12000000
LL
StatusDateUserResidueShift
Verified2008-03-12S390720DF3CB7740627AB5734828497
Verified2016-07-12Sergey NosovDF3CB7740627AB5730345462
History
DateUserTypeResult
2022-07-05Sid & AndyNF
no factor from 2^72 to 2^73
2022-04-27Architects CubedNF
no factor from 2^71 to 2^72
2016-07-12Sergey NosovC-LL
DF3CB7740627AB57
2016-04-26HBendtzNF-PM1
B1=400000, B2=12000000, e=12
2014-04-03Jerry HallettNF
no factor from 2^70 to 2^71
2014-04-03Jerry HallettNF
no factor from 2^69 to 2^70
2013-09-04Carsten KossendeyNF
no factor from 2^68 to 2^69