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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Exponent Range:





MnDetails
8786537
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
686323726539820631755.9old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2019-01-22ATH668D5E08BC262A9C1675849953
Verified
PRP without proof (not generated)
2020-09-06MarkS668D5E08BC262A9C1383735353
History
DateUserTypeResult
2024-09-04Stef42NF-PM1B1=1687000, B2=2176412700
2020-09-06MarkSC-PRPM8786537/68632372653982063 : 668D5E08BC262A9C
2019-01-22ATHC-PRPM8786537/68632372653982063 : 668D5E08BC262A9C
1998-11-14-anonymous-FFactor: 68632372653982063