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
12067469Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
54847860070825389831962.3old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-01-11Joe S.A6A718A88247D8D71440818153
History
DateUserTypeResult
2022-01-11Gordon BowerCERT
PRP Certification
Proof certified good
2022-01-11Joe S.C-PRP
M12067469/5484786007082538983 : A6A718A88247D8D7
PRP proof power = 8
PRP: Verified
Proof certified good
2022-01-02nordiNF-PM1
B1=400000, B2=262127250
2021-12-28nordiNF-PM1
B1=400000