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
15242431Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
3393608164195987031858.2old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-07-04Funky Waddle035121DEDB10D3441337862553
History
DateUserTypeResult
2023-07-04Roger_L_WhitcombCERT
PRP Certification
Proof certified good
2023-07-04Funky WaddleC-PRP
M15242431/339360816419598703 : 035121DEDB10D344
PRP proof power = 8
PRP: Verified
Proof certified good
2023-06-02nordiNF-PM1
B1=400000, B2=418099500
2023-05-21nordiNF-PM1
B1=400000