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
8000401Factored
FactorDigitsBitsDate
624031279929.2old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-05_p95holder_45D62D6BA14D6BD31685599453
Verified2019-06-21timbit45D62D6BA14D6BD31396058253
History
DateUserTypeResult
2024-02-24Stef42NF-PM1
B1=921000, B2=1681748250
2022-12-14LordJuliusNF
no factor from 2^67 to 2^68
2022-12-14LordJuliusNF
no factor from 2^66 to 2^67
2022-12-13LordJuliusNF
no factor from 2^65 to 2^66
2022-12-13LordJuliusNF
no factor from 2^64 to 2^65
2019-06-21timbitC-PRP
M8000401/624031279 : 45D62D6BA14D6BD3
PRP: Verified
PRP without proof (not generated)
2018-07-05_p95holder_C-PRP
M8000401/624031279 : 45D62D6BA14D6BD3
PRP: Verified
PRP without proof (not generated)