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
8328839
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
68629633371032.7old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-11rucioFB69FEFA998FD518111722053
Verified
PRP without proof (not generated)
2020-04-21marssystemsFB69FEFA998FD5181234641353
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1390000, B2=2852014620
2020-04-21marssystemsC-PRPM8328839/6862963337 : FB69FEFA998FD518
2018-10-11rucioC-PRPM8328839/6862963337 : FB69FEFA998FD518