Marin Mersenne 2^P-1
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MnStatusDetails
11274493Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
20912007861381431650.9old
196988493581530390572064.12017-07-17 17:38:19
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-06-24kutens520C05B1EAF1E5AB2131001953
History
DateUserTypeResult
2025-06-23vshNF
no factor from 2^71 to 2^72
2025-06-18vshNF-PM1
B1=10000000, B2=20021278200
2025-04-08vshNF
no factor from 2^70 to 2^71
2025-03-16vshNF
no factor from 2^69 to 2^70
2025-02-10vshNF
no factor from 2^68 to 2^69
2024-06-26vshNF-PM1
B1=312500, B2=130455780
2021-06-24LOBESCERT
PRP Certification
Proof certified good
2021-06-24kutensC-PRP
M11274493/2091200786138143/19698849358153039057 : 520C05B1EAF1E5AB
PRP proof power = 8
PRP: Verified
Proof certified good
2017-07-17TJAOIF
Factor: 19698849358153039057 / TF: 64-65