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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Exponent Range:





MnDetails
7860563
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
382494995591135.2old
2547318570736571547.92014-03-21 11:24:19
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-05-23storm551082B3AC920DD160E0247051153
Verified
PRP without proof (not generated)
2019-11-02Chang Chia-Tche82B3AC920DD160E02397893253
History
DateUserTypeResult
2024-01-31Stef42NF-PM1B1=950000, B2=1968826860
2019-11-02Chang Chia-TcheC-PRPM7860563/38249499559/254731857073657 : 82B3AC920DD160E0
2018-05-23storm5510C-PRPM7860563/38249499559/254731857073657 : 82B3AC920DD160E0
2014-03-21TJAOIFFactor: 254731857073657