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
38370991TF
No factors below 273
TF target 272
P-1
B1 = 205000
B2 = 3946250
LL
StatusDateUserResidueShift
Verified2007-12-03Phillip Twiss8FC7A9C1D1ABD1325827089
Verified2015-02-12Florimond C.8FC7A9C1D1ABD13235184861
History
DateUserTypeResult
2019-05-28Sid & AndyNF
no factor from 2^72 to 2^73
2019-02-13monstNF
no factor from 2^71 to 2^72
2015-02-12Florimond C.C-LL
8FC7A9C1D1ABD132
2014-12-06Jerry HallettNF
no factor from 2^70 to 2^71
2014-11-22Mark RoseNF
no factor from 2^69 to 2^70
2010-05-19Carsten KossendeyNF-PM1
B1=205000, B2=3946250, E=6