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
8317213
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
507516337271135.6old
666541449831136.02008-09-08 04:30:13
37243648092711341.82008-09-08 04:30:13
1733840860177948331857.32015-06-05 11:44:34
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-09Gabriel Lignelli79D4BBAEB5C879B64717513953
Verified
PRP without proof (not generated)
2020-04-18oodaira79D4BBAEB5C879B64155414953
History
DateUserTypeResult
2024-03-06Stef42NF-PM1B1=3000000, B2=5006877330
2020-04-18oodairaC-PRPM8317213/50751633727/66654144983/3724364809271/173384086017794833 : 79D4BBAEB5C879B6
2018-10-09Gabriel LignelliC-PRPM8317213/50751633727/66654144983/3724364809271/173384086017794833 : 79D4BBAEB5C879B6
2015-06-05TJAOIFFactor: 173384086017794833
2008-09-08Will EdgingtonFFactor: 3724364809271
2008-09-08Will EdgingtonFFactor: 66654144983