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
8321801
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
613662088441511445.8old
2164597172049079931857.62015-07-01 11:32:45
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-10Oliver Kruse2C392AEE77CDFD892433658453
Verified
PRP without proof (not generated)
2020-04-24Wentao Huang2C392AEE77CDFD892767135353
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1375000, B2=2788626750
2020-04-24Wentao HuangC-PRPM8321801/61366208844151/216459717204907993 : 2C392AEE77CDFD89
2018-10-10Oliver KruseC-PRPM8321801/61366208844151/216459717204907993 : 2C392AEE77CDFD89
2015-07-01TJAOIFFactor: 216459717204907993