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
11761699Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
60601063552768731652.4old
562581192632487591755.62015-02-05 12:23:31
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-31LaurV983533437105DAE62690852353
History
DateUserTypeResult
2021-10-31WRCERT
PRP Certification
Proof certified good
2021-10-31LaurVC-PRP
M11761699/6060106355276873/56258119263248759 : 983533437105DAE6
PRP proof power = 8
PRP: Verified
Proof certified good
2015-02-05TJAOIF
Factor: 56258119263248759 / TF: 55-56