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
6907031Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
331537489928.3old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-22Oliver KruseE94D6BE54278A73C1165221653
Verified2019-01-21kkmrkkblmbrbkE94D6BE54278A73C1266647253
History
DateUserTypeResult
2023-12-26Stef42NF-PM1
B1=569000, B2=1280664000
2019-01-21kkmrkkblmbrbkC-PRP
M6907031/331537489 : E94D6BE54278A73C
PRP: Verified
PRP without proof (not generated)
2018-01-22Oliver KruseC-PRP
M6907031/331537489 : E94D6BE54278A73C
PRP: Verified
PRP without proof (not generated)