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

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MnStatusDetails
11262707Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
90101657826.4old
17268631104323211650.62014-06-04 11:34:05
4211148189093361431858.52015-09-14 11:23:13
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-06-22kutens37A4279F9439BC7D3817402353
History
DateUserTypeResult
2025-06-02vshNF
no factor from 2^71 to 2^72
2025-05-26vshNF-PM1
B1=10000000, B2=20021278200
2025-04-03vshNF
no factor from 2^70 to 2^71
2025-03-11vshNF
no factor from 2^69 to 2^70
2025-02-06vshNF
no factor from 2^68 to 2^69
2024-06-24vshNF-PM1
B1=625000, B2=296898420
2024-05-19vshNF-PM1
B1=312500, B2=60859260
2021-06-22shiroiroCERT
PRP Certification
Proof certified good
2021-06-22kutensC-PRP
M11262707/90101657/1726863110432321/421114818909336143 : 37A4279F9439BC7D
PRP proof power = 8
PRP: Verified
Proof certified good
2015-09-14TJAOIF
Factor: 421114818909336143 / TF: 58-59
2014-06-04TJAOIF
Factor: 1726863110432321