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
39256687TF
No factors below 273
TF target 272
P-1
B1 = 425000
B2 = 8606250
LL
StatusDateUserResidueShift
Verified2008-03-05Robert Eals31BC4060966BA8D710589745
Verified2016-11-21Sergey Nosov31BC4060966BA8D734982974
History
DateUserTypeResult
2022-05-23Sid & AndyNF
no factor from 2^72 to 2^73
2019-07-01monstNF
no factor from 2^71 to 2^72
2016-11-21Sergey NosovC-LL
31BC4060966BA8D7
2014-12-09ChuckNF
no factor from 2^70 to 2^71
2014-12-02Mark RoseNF
no factor from 2^69 to 2^70