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
38196869TF
No factors below 273
TF target 271
P-1
B1 = 615000
B2 = 12000000
LL
StatusDateUserResidueShift
Verified2007-10-17Greg BorgesonAA65303C4C7BB2DF34075895
Verified2016-07-27Sergey NosovAA65303C4C7BB2DF5757901
History
DateUserTypeResult
2022-06-26RichD0NF
no factor from 2^72 to 2^73
2018-10-12Architects CubedNF
no factor from 2^71 to 2^72
2016-07-27Sergey NosovC-LL
AA65303C4C7BB2DF
2014-11-30ChuckNF
no factor from 2^70 to 2^71
2014-10-29HBendtzNF
no factor from 2^69 to 2^70
2014-10-24HBendtzNF-PM1
B1=615000, B2=12000000, E=12
2013-09-15Carsten KossendeyNF
no factor from 2^68 to 2^69