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
8331137
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
1149696906011236.7old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-11ATH7B837D5079538C151748182853
Verified
PRP without proof (not generated)
2020-04-22marssystems7B837D5079538C151313043253
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-22marssystemsC-PRPM8331137/114969690601 : 7B837D5079538C15
2018-10-11ATHC-PRPM8331137/114969690601 : 7B837D5079538C15