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
6908287Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
30322941079271031651.4old
40456778434927131651.82008-09-08 02:59:09
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-22Oliver Kruse7A8110876A15F0422148853953
Verified2019-01-29arnaud7A8110876A15F0422553350753
History
DateUserTypeResult
2023-12-24Stef42NF-PM1
B1=523000, B2=1182140190
2019-01-29arnaudC-PRP
M6908287/3032294107927103/4045677843492713 : 7A8110876A15F042
PRP: Verified
PRP without proof (not generated)
2018-01-22Oliver KruseC-PRP
M6908287/3032294107927103/4045677843492713 : 7A8110876A15F042
PRP: Verified
PRP without proof (not generated)
2008-09-08Will EdgingtonF
Factor: 4045677843492713