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
8049869Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
386393713928.5old
2858573759736697431858.02008-03-11 03:35:15
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-23_p95holder_FA8E06F4C97014EC2725958453
Verified2020-01-10oodairaFA8E06F4C97014EC2184537053
History
DateUserTypeResult
2024-02-25Stef42NF-PM1
B1=944000, B2=1792472220
2020-01-10oodairaC-PRP
M8049869/386393713/285857375973669743 : FA8E06F4C97014EC
PRP: Verified
PRP without proof (not generated)
2018-07-23_p95holder_C-PRP
M8049869/386393713/285857375973669743 : FA8E06F4C97014EC
PRP: Verified
PRP without proof (not generated)