Marin Mersenne 2^P-1
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MnStatusDetails
11668309Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
21418114634231341.0old
72217114543382743387324546972892.52024-06-17 19:30:32
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2021-10-05LaurV6091568B33F185BD1441524753
Verified2024-06-19yuriy_5-16091568B33F185BD2269816653
P-1 factors
DateFactorB1B2
2024-06-177221711454338274338732454697262144137022600
History
DateUserTypeResult
2025-06-13yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-06yuriy_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=7000980, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4667320, B2=598008840
2024-06-19LOBESCERT
PRP Certification
Proof certified good
2024-06-19yuriy_5-1C-PRP
M11668309/2141811463423/7221711454338274338732454697 : 6091568B33F185BD
PRP proof power = 8
PRP: Verified
Proof certified good
2024-06-17yuriy_5-1F-PM1
Factor: 7221711454338274338732454697 / (P-1, B1=262144, B2=137022600)
2021-10-05malazan2608CERT
PRP Certification
Proof certified good
2021-10-05LaurVC-PRP
M11668309/2141811463423 : 6091568B33F185BD
PRP proof power = 8
PRP: Verified (Factored)
Proof certified good