Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
8005693Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
368261879928.5old
553914379011591445.72008-09-08 03:43:46
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-11_p95holder_6983D48097DB93C92229586653
Verified2019-12-27marssystems6983D48097DB93C92596526853
History
DateUserTypeResult
2024-02-24Stef42NF-PM1
B1=937000, B2=1756495650
2019-12-27marssystemsC-PRP
M8005693/368261879/55391437901159 : 6983D48097DB93C9
PRP: Verified
PRP without proof (not generated)
2018-07-11_p95holder_C-PRP
M8005693/368261879/55391437901159 : 6983D48097DB93C9
PRP: Verified
PRP without proof (not generated)
2008-09-08Will EdgingtonF
Factor: 55391437901159