Marin Mersenne 2^P-1
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MnStatusDetails
11218439Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
22436879824.4old
24456197031031.22008-09-08 07:28:04
4461860382338411548.72014-04-10 10:54:03
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-06-12kutens464B4169659458743728973853
History
DateUserTypeResult
2025-06-02vshNF
no factor from 2^71 to 2^72
2025-05-12vshNF-PM1
B1=10000000, B2=20228198760
2025-04-03vshNF
no factor from 2^70 to 2^71
2025-02-24vshNF
no factor from 2^69 to 2^70
2025-02-05James HeinrichNF
no factor from 2^68 to 2^69
2025-01-26vshNF
no factor from 2^68 to 2^69
2024-07-15vshNF-PM1
B1=625000, B2=301397460
2024-06-09vshNF-PM1
B1=312500, B2=128206260
2021-06-12WeakForceBosonCERT
PRP Certification
Proof certified good
2021-06-12kutensC-PRP
M11218439/22436879/2445619703/446186038233841 : 464B416965945874
PRP proof power = 8
PRP: Verified
Proof certified good
2014-04-10TJAOIF
Factor: 446186038233841
2008-09-08Will EdgingtonF
Factor: 2445619703