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
8331761
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
22479246979931077371961.0old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-15Oliver Kruse737810036DCA7E0B1659515553
Verified
PRP without proof (not generated)
2020-04-22Wentao Huang737810036DCA7E0B1504764853
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-22Wentao HuangC-PRPM8331761/2247924697993107737 : 737810036DCA7E0B
2018-10-15Oliver KruseC-PRPM8331761/2247924697993107737 : 737810036DCA7E0B
1998-09-13-anonymous-FFactor: 2247924697993107737