Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
40377901TF
No factors below 275
TF target 272
P-1
B1 = 445000
B2 = 11125000
LL
StatusDateUserResidueShift
Verified2007-12-18cdlfdEA7DCC34C7D9B8B418944990
Verified2017-07-18Christian SEA7DCC34C7D9B8B429575582
History
DateUserTypeResult
2020-09-28Sid & AndyNF
no factor from 2^74 to 2^75
2020-01-03-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2017-07-18Christian SC-LL
EA7DCC34C7D9B8B4
2017-02-27Bruno VictalNF-PM1
B1=445000, B2=11125000, E=12
2015-03-03Gordon SpenceNF
no factor from 2^71 to 2^72
2015-01-07The MawnNF
no factor from 2^70 to 2^71
2015-01-07The MawnNF
no factor from 2^69 to 2^70