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
8312417
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
219946553831134.4old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-08Oliver Kruse99E6EC228E1FB13F1468208653
Verified
PRP without proof (not generated)
2020-04-18Team_Inspector99E6EC228E1FB13F1176306753
History
DateUserTypeResult
2024-06-05Stef42NF-PM1B1=1518000, B2=5881002270
2020-04-18Team_InspectorC-PRP
M8312417/21994655383 : 99E6EC228E1FB13F
2018-10-08Oliver KruseC-PRP
M8312417/21994655383 : 99E6EC228E1FB13F