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
7799527
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
3890707318905286596492168.4old
LL
StatusDateUserResidueShiftSoftware
Factored1999-06-15Douglas HolderC5EB95FE1FDE9B156195015Windows,Prime95,v18,(aka WU1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-05-12storm551076A260B18084F7591619085653
Verified
PRP without proof (not generated)
2019-10-07marssystems76A260B18084F7591618237653
History
DateUserTypeResult
2024-02-01Stef42NF-PM1B1=950000, B2=2042400360
2019-10-07marssystemsC-PRPM7799527/389070731890528659649 : 76A260B18084F759
2018-05-12storm5510C-PRPM7799527/389070731890528659649 : 76A260B18084F759
2003-02-16-anonymous-F-PM1Factor: 389070731890528659649
2002-09-07-anonymous-F-PM1Factor: 389070731890528659649
1999-06-15-anonymous-C-LLC5EB95FE1FDE9B15
1998-08-16-anonymous-NFno factor TF: 1-63
1998-08-09-anonymous-NFno factor TF: 1-62