Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnDetails
8291099
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
16582199824.0old
994931881929.92008-09-08 04:29:35
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-09-30rucio9E96EF9FF1FACEB82616657753
Verified
PRP without proof (not generated)
2020-04-20Luigi Morelli9E96EF9FF1FACEB82275555153
History
DateUserTypeResult
2024-04-07Stef42NF-PM1B1=980000, B2=2281600230
2020-04-20Luigi MorelliC-PRP
M8291099/16582199/994931881 : 9E96EF9FF1FACEB8
2018-09-30rucioC-PRP
M8291099/16582199/994931881 : 9E96EF9FF1FACEB8
2008-09-08Will EdgingtonFFactor: 994931881