Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
11661361Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2104409206071237.6old
276490869310011444.72008-09-08 07:37:46
454643903028591678684982732685.22025-02-10 19:21:03
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2021-10-09onlinegame563B448F9EEA28D92816052513
Verified (Factored)2021-10-23LaurV563B448F9EEA28D9222032213
Verified2025-02-12yuriy_5-1475577C813004B203252078953
P-1 factors
DateFactorB1B2
2025-02-10454643903028591678684982734664544598008840
History
DateUserTypeResult
2025-06-12yuriy_5-1NF
no factor from 2^70 to 2^71
2025-04-30yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-31yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=6996816, B2=453435840
2025-02-12Alvin BunkCERT
PRP Certification
Proof certified good
2025-02-12yuriy_5-1C-PRP
M11661361/210440920607/27649086931001/45464390302859167868498273 : 475577C813004B20
PRP proof power = 8
PRP: Verified
Proof certified good
2025-02-10yuriy_5-1F-PM1
Factor: 45464390302859167868498273 / (P-1, B1=4664544, B2=598008840)
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-23LaurVC-PRP
M11661361/210440920607/27649086931001 : 563B448F9EEA28D9
PRP: Verified (Factored)
PRP without proof (not generated)
2021-10-09onlinegameC-PRP
M11661361/210440920607/27649086931001 : 563B448F9EEA28D9
PRP: Verified (Factored)
PRP without proof (not generated)
2008-09-08Will EdgingtonF
Factor: 27649086931001