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:










MnStatusDetails
37701751Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 271
P-1
B1 = 520000
B2 = 10660000
LL
StatusDateUserResidueShift
Verified2007-04-23Mike MetcalfeB70654014A45BB157971602
Verified2015-09-18frolyarB70654014A45BB1518394413
History
DateUserTypeResult
2024-05-28Naegi MakotoNF
no factor from 2^68 to 2^69
2022-07-17TheJudgerNF
no factor from 2^72 to 2^73
2019-01-22Architects CubedNF-PM1
B1=520000, B2=10660000, E=12
2019-01-20Architects CubedNF
no factor from 2^71 to 2^72
2015-09-18frolyarC-LL
B70654014A45BB15
2014-11-12chalsallNF
no factor from 2^70 to 2^71
2014-09-17Architects CubedNF
no factor from 2^69 to 2^70
2013-07-27Carsten KossendeyNF
no factor from 2^68 to 2^69
2012-04-28megavinkNF
no factor from 2^67 to 2^68