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
38841587TF
No factors below 275
TF target 272
P-1
B1 = 425000
B2 = 7756250
LL
StatusDateUserResidueShift
Verified2008-03-22Dennis Moran0F8EC2E25C19D10526546092
Verified2016-09-09Sergey Nosov0F8EC2E25C19D1057656909
History
DateUserTypeResult
2021-02-20-Anonymous-NF
no factor from 2^74 to 2^75
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-10LaurVNF
no factor from 2^72 to 2^73
2019-05-06monstNF
no factor from 2^71 to 2^72
2016-09-09Sergey NosovC-LL
0F8EC2E25C19D105
2014-12-08ChuckNF
no factor from 2^70 to 2^71
2014-11-30Mark RoseNF
no factor from 2^69 to 2^70