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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MnStatusDetails
6902897Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
148771650317831443.8old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-21Oliver KruseD577AFC12A872BB01688058353
Verified2019-01-23ZeroD577AFC12A872BB01636296553
History
DateUserTypeResult
2023-12-26Stef42NF-PM1
B1=569000, B2=1280664000
2019-01-23ZeroC-PRP
M6902897/14877165031783 : D577AFC12A872BB0
PRP: Verified
PRP without proof (not generated)
2018-01-21Oliver KruseC-PRP
M6902897/14877165031783 : D577AFC12A872BB0
PRP: Verified
PRP without proof (not generated)