Marin Mersenne 2^P-1
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MnStatusDetails
11631289Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
211922085591134.3old
10774993503831340.02008-09-08 07:37:07
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-09-24Oliver Kruse4ECFA3A83AAB7475224094653
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
2025-03-31yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-10yuriy_5-1NF-PM1
B1=6978768, B2=448598700
2025-02-10yuriy_5-1NF-PM1
B1=4652512, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-09-24bernardo_sCERT
PRP Certification
Proof certified good
2021-09-24Oliver KruseC-PRP
M11631289/21192208559/1077499350383 : 4ECFA3A83AAB7475
PRP proof power = 8
PRP: Verified
Proof certified good
2008-09-08Will EdgingtonF
Factor: 1077499350383