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
7817311
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
78173111826.2old
113976394391133.42008-09-08 03:39:56
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-05-19storm5510977D10E32B28C2CA291935553
Verified
PRP without proof (not generated)
2019-10-13marssystems977D10E32B28C2CA2487120253
History
DateUserTypeResult
2024-02-05Stef42NF-PM1B1=843000, B2=1382772300
2019-10-13marssystemsC-PRPM7817311/78173111/11397639439 : 977D10E32B28C2CA
2018-05-19storm5510C-PRPM7817311/78173111/11397639439 : 977D10E32B28C2CA
2008-09-08Will EdgingtonFFactor: 11397639439