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
40393931TF
No factors below 275
TF target 272
P-1
B1 = 445000
B2 = 11125000
LL
StatusDateUserResidueShift
Verified2008-03-05Ahmer AliA1E4DEA09FC27C3925107961
Verified2015-11-03-Anonymous-A1E4DEA09FC27C3940020392
History
DateUserTypeResult
2020-09-22Sid & AndyNF
no factor from 2^74 to 2^75
2019-12-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-02-28Bruno VictalNF-PM1
B1=445000, B2=11125000, E=12
2015-11-03-Anonymous-C-LL
A1E4DEA09FC27C39
2015-03-19Gordon SpenceNF
no factor from 2^71 to 2^72
2014-12-24The MawnNF
no factor from 2^70 to 2^71
2014-12-24The MawnNF
no factor from 2^69 to 2^70