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

PrimeNet Exponent Status

Exponent Range:





MnDetails
7919939
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
153133060057152148792063.7old
LL
StatusDateUserResidueShiftSoftware
Factored1999-09-22Dany Pelletier7375F43BE86C30771846311Windows,Prime95,v18,(aka WU1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-06-07storm5510B33B7E436DD38D5D1519390653
Verified
PRP without proof (not generated)
2019-11-19marssystemsB33B7E436DD38D5D194122853
History
DateUserTypeResult
2024-02-05Stef42NF-PM1B1=950000, B2=1968826860
2019-11-19marssystemsC-PRPM7919939/15313306005715214879 : B33B7E436DD38D5D
2018-06-07storm5510C-PRPM7919939/15313306005715214879 : B33B7E436DD38D5D
2002-06-09-anonymous-FFactor: 15313306005715214879
1999-09-22-anonymous-C-LL7375F43BE86C3077
1999-05-09-anonymous-NFno factor TF: 1-63
1998-08-16-anonymous-NFno factor TF: 1-62