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
8331667
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
357928414331135.1old
1347230553911237.02008-09-08 04:30:33
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-15Oliver Kruse4E0873536D6E62E42198625653
Verified
PRP without proof (not generated)
2020-04-24arnaud4E0873536D6E62E42705325953
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-24arnaudC-PRPM8331667/35792841433/134723055391 : 4E0873536D6E62E4
2018-10-15Oliver KruseC-PRPM8331667/35792841433/134723055391 : 4E0873536D6E62E4
2008-09-08Will EdgingtonFFactor: 134723055391