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

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MnStatusDetails
11672191Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
116721911926.8old
10504971911030.02008-09-08 07:38:02
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-07mrhFBE3D793701E71662726004053
History
DateUserTypeResult
2025-06-16yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-06yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-28yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=7003314, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4668876, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-07curtiscCERT
PRP Certification
Proof certified good
2021-10-07mrhC-PRP
M11672191/116721911/1050497191 : FBE3D793701E7166
PRP proof power = 8
PRP: Verified
Proof certified good
2008-09-08Will EdgingtonF
Factor: 1050497191