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
8083321
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
2240534318392576631857.6old
4329784537905728471858.61998-08-30 00:00:00
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-08-04Oliver KruseA0675001E08FB8842144054853
Verified
PRP without proof (not generated)
2020-05-01Chang Chia-TcheA0675001E08FB8842728251053
History
DateUserTypeResult
2024-02-27Stef42NF-PM1B1=952000, B2=2044750890
2020-05-01Chang Chia-TcheC-PRPM8083321/224053431839257663/432978453790572847 : A0675001E08FB884
2018-08-04Oliver KruseC-PRPM8083321/224053431839257663/432978453790572847 : A0675001E08FB884
2008-09-08Will EdgingtonF-ECMFactor: 432978453790572847
1999-04-13-anonymous-FFactor: 224053431839257663
1999-04-13-anonymous-FFactor: 432978453790572847
1998-09-13-anonymous-FFactor: 432978453790572847
1998-09-13-anonymous-FFactor: 224053431839257663
1998-08-30-anonymous-FFactor: 432978453790572847
1998-08-30-anonymous-FFactor: 224053431839257663