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
8316181
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
49897087825.6old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-11Oliver Kruse850025D8B540D833189707753
Verified
PRP without proof (not generated)
2020-04-19daveward2005850025D8B540D8331650566253
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1375000, B2=2725257990
2020-04-19daveward2005C-PRPM8316181/49897087 : 850025D8B540D833
2018-10-11Oliver KruseC-PRPM8316181/49897087 : 850025D8B540D833