Marin Mersenne 2^P-1
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MnStatusDetails
11621581Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
813510671929.6old
3125760879742571548.22014-03-27 11:29:44
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-10-04krackerA14B82427FF2352C21004884653
Verified2021-10-15NesowaA14B82427FF2352C2703418253
History
DateUserTypeResult
2025-06-10yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-05yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-28yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=6972948, B2=448721460
2025-02-10yuriy_5-1NF-PM1
B1=4648632, B2=600169020
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-15NesowaC-PRP
M11621581/813510671/312576087974257 : A14B82427FF2352C
PRP: Verified
PRP without proof (not generated)
2021-10-04krackerC-PRP
M11621581/813510671/312576087974257 : A14B82427FF2352C
PRP: Verified
PRP without proof (not generated)
2014-03-27TJAOIF
Factor: 312576087974257