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
40858421TF
No factors below 274
TF target 272
P-1
B1 = 375000
B2 = 1875000
LL
StatusDateUserResidueShift
Verified2009-03-02-Anonymous-D3C9FD7FAC62554524832007
Verified2016-12-10Michael BahlenD3C9FD7FAC62554529170125
History
DateUserTypeResult
2020-01-17-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2016-12-10Michael BahlenC-LL
D3C9FD7FAC625545
2015-06-07TheJudgerNF
no factor from 2^71 to 2^72
2014-12-28XyzzyNF
no factor from 2^70 to 2^71
2014-12-28XyzzyNF
no factor from 2^69 to 2^70
2009-03-02-Anonymous-C-LL
D3C9FD7FAC625545