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
6948479Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
3068448326411238.2old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-27Oliver Kruse4D56759232AFB8F21622124253
Verified2019-02-07kkmrkkblmbrbk4D56759232AFB8F21633432553
History
DateUserTypeResult
2023-12-28Stef42NF-PM1
B1=562000, B2=960946350
2019-02-07kkmrkkblmbrbkC-PRP
M6948479/306844832641 : 4D56759232AFB8F2
PRP: Verified
PRP without proof (not generated)
2018-01-27Oliver KruseC-PRP
M6948479/306844832641 : 4D56759232AFB8F2
PRP: Verified
PRP without proof (not generated)