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
8084941
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
491888394981234311755.4old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-08-05Martin RussellB1001980EBC4015F1293958053
Verified
PRP without proof (not generated)
2020-05-02Chang Chia-TcheB1001980EBC4015F1104293253
History
DateUserTypeResult
2024-02-27Stef42NF-PM1B1=937000, B2=2044750890
2020-05-02Chang Chia-TcheC-PRPM8084941/49188839498123431 : B1001980EBC4015F
2018-08-05Martin RussellC-PRPM8084941/49188839498123431 : B1001980EBC4015F
1999-03-15-anonymous-FFactor: 49188839498123431
1999-01-17-anonymous-FFactor: 49188839498123431
1998-10-25-anonymous-FFactor: 49188839498123431