Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnDetails
7928849
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
111003887926.7old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-06-09storm55109849A6D5C951435B18432553
Verified
PRP without proof (not generated)
2019-12-05kracker9849A6D5C951435B1739801853
History
DateUserTypeResult
2024-02-05Stef42NF-PM1B1=950000, B2=1968826860
2019-12-05krackerC-PRPM7928849/111003887 : 9849A6D5C951435B
2018-06-09storm5510C-PRPM7928849/111003887 : 9849A6D5C951435B