Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnDetails
8313989
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
914538791929.8old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-06rucio1313FBEF4A48CF4F1224416053
Verified
PRP without proof (not generated)
2020-04-26oodaira1313FBEF4A48CF4F1483339753
History
DateUserTypeResult
2024-06-06Stef42NF-PM1B1=1503000, B2=11834003610
2020-04-26oodairaC-PRP
M8313989/914538791 : 1313FBEF4A48CF4F
2018-10-06rucioC-PRP
M8313989/914538791 : 1313FBEF4A48CF4F