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
40865801TF
No factors below 274
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2008-11-24-Anonymous-9D5DD35C8E799CD024839509
Verified2015-11-14Alexander Dubrovin9D5DD35C8E799CD04346223
History
DateUserTypeResult
2020-09-16Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=12
2020-01-17-Anonymous-NF
no factor from 2^73 to 2^74
2019-09-30-Anonymous-NF
no factor from 2^72 to 2^73
2015-11-14Alexander DubrovinC-LL
9D5DD35C8E799CD0
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
2013-11-25AxelssonNF
no factor from 2^68 to 2^69
2008-11-24-Anonymous-C-LL
9D5DD35C8E799CD0