Marin Mersenne 2^P-1
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MnStatusDetails
11680817Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
479066853745543991755.4old
4175752103950545976492168.52024-08-22 18:47:58
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2021-10-08LaurVCDB0B6639537D5E11286772753
Verified2024-08-23yuriy_5-1CDB0B6639537D5E1229741653
P-1 factors
DateFactorB1B2
2024-08-2241757521039505459764928000005965528800
History
DateUserTypeResult
2025-06-17yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-07yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-21yuriy_5-1F
Factor: 417575210395054597649 / TF: 68-69
2025-03-11yuriy_5-1NF-PM1
B1=7008486, B2=453435840
2024-08-23jagravCERT
PRP Certification
Proof certified good
2024-08-23yuriy_5-1C-PRP
M11680817/47906685374554399/417575210395054597649 : CDB0B6639537D5E1
PRP proof power = 8
PRP: Verified
Proof certified good
2024-08-22yuriy_5-1F-PM1
Factor: 417575210395054597649 / (P-1, B1=2800000, B2=5965528800)
2021-10-10John AireyCERT
PRP Certification
Proof certified good
2021-10-08LaurVC-PRP
M11680817/47906685374554399 : CDB0B6639537D5E1
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good