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
13484957Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
80909743826.3old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-08-11Poao7E8E0B3C8F3982F71923064553
History
DateUserTypeResult
2022-08-11John HockingCERT
PRP Certification
Proof certified good
2022-08-11PoaoC-PRP
M13484957/80909743 : 7E8E0B3C8F3982F7
PRP proof power = 8
PRP: Verified
Proof certified good
2022-07-14nordiNF-PM1
B1=300000, B2=210129150
2022-07-06nordiNF-PM1
B1=300000