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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MnDetails
7817867
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
38932977671031.9old
39402049691031.92008-09-08 03:39:56
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-05-20storm5510272A499A30BFD05D2603053453
Verified
PRP without proof (not generated)
2019-10-14marssystems272A499A30BFD05D2359647453
History
DateUserTypeResult
2024-02-05Stef42NF-PM1B1=843000, B2=1382772300
2019-10-14marssystemsC-PRPM7817867/3893297767/3940204969 : 272A499A30BFD05D
2018-05-20storm5510C-PRPM7817867/3893297767/3940204969 : 272A499A30BFD05D
2008-09-08Will EdgingtonFFactor: 3940204969