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
6950389Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
653310293529591445.9old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-27alan145B284B1049CA6E539113429753
Verified2019-02-07kkmrkkblmbrbkB284B1049CA6E5391612279653
History
DateUserTypeResult
2023-12-30Stef42NF-PM1
B1=577000, B2=1280664000
2019-02-07kkmrkkblmbrbkC-PRP
M6950389/65331029352959 : B284B1049CA6E539
PRP: Verified
PRP without proof (not generated)
2018-01-27alan145C-PRP
M6950389/65331029352959 : B284B1049CA6E539
PRP: Verified
PRP without proof (not generated)