Marin Mersenne 2^P-1
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MnStatusDetails
11641783Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
488954887928.9old
3723740710391238.42008-09-08 07:37:24
17735557893531340.72008-09-08 07:37:24
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-09-26ATHDBA48F9C23E0222A3777188953
History
DateUserTypeResult
2025-06-10yuriy_5-1NF
no factor from 2^70 to 2^71
2025-04-30yuriy_5-1F
Factors: 488954887,1773555789353 / TF: 69-70
2025-03-11yuriy_5-1NF-PM1
B1=6985068, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4656712, B2=598008840
2024-12-04yuriy_5-1NF
no factor from 2^68 to 2^69
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-09-26Simon JosefssonCERT
PRP Certification
Proof certified good
2021-09-26ATHC-PRP
M11641783/488954887/372374071039/1773555789353 : DBA48F9C23E0222A
PRP proof power = 8
PRP: Verified
Proof certified good
2008-09-08Will EdgingtonF
Factor: 1773555789353
2008-09-08Will EdgingtonF
Factor: 372374071039