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
8318417
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
49910503825.6old
5583986963771239.02008-09-08 04:30:14
3910627581105611548.52014-04-04 10:45:04
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-09EthanDF01FD048473BFE9B33514253
Verified
PRP without proof (not generated)
2020-04-19arnaudF01FD048473BFE9B3205358553
History
DateUserTypeResult
2024-03-06Stef42NF-PM1B1=3000000, B2=5767417110
2020-04-19arnaudC-PRPM8318417/49910503/558398696377/391062758110561 : F01FD048473BFE9B
2018-10-09EthanDC-PRPM8318417/49910503/558398696377/391062758110561 : F01FD048473BFE9B
2014-04-04TJAOIFFactor: 391062758110561
2008-09-08Will EdgingtonFFactor: 558398696377