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
15490801Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
92944807826.5old
2260841510235371547.72008-09-30 13:58:28
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-08-09Perig5227714BE83C9E5B21505684853
History
DateUserTypeResult
2023-08-09curtiscCERT
PRP Certification
Proof certified good
2023-08-09PerigC-PRP
M15490801/92944807/226084151023537 : 5227714BE83C9E5B
PRP proof power = 8
PRP: Verified
Proof certified good
2023-07-05JacobZNF-PM1
B1=496000, B2=548533440
2008-09-30markrF
Factor: 226084151023537