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
8315137
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
206049094871134.3old
1422719940711237.02008-09-08 04:30:12
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-07rucio2BE37E10E49DF1552651533653
Verified
PRP without proof (not generated)
2020-04-18daveward20052BE37E10E49DF155268564953
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1367000, B2=2598501360
2020-04-18daveward2005C-PRPM8315137/20604909487/142271994071 : 2BE37E10E49DF155
2018-10-07rucioC-PRPM8315137/20604909487/142271994071 : 2BE37E10E49DF155
2008-09-08Will EdgingtonFFactor: 142271994071