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

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MnStatusDetails
17749519Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
724612675343777515932066.02016-03-18 12:59:38
LL
StatusDateUserResidueShift
Verified (Factored)2003-04-27Ryan Malayter63CFDCF7046693545128105
Verified (Factored)2007-06-15Ars Technica Team Prime Rib63CFDCF70466935410482103
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2025-02-20Dmitry Bolshakov96D58087AC09944F1543697153
History
DateUserTypeResult
2025-02-20Stephan GruppCERT
PRP Certification
Proof certified good
2025-02-20Dmitry BolshakovC-PRP
M17749519/72461267534377751593 : 96D58087AC09944F
PRP proof power = 8
PRP: Verified
Proof certified good
2016-03-18Mark RoseF
Factor: 72461267534377751593 / TF: 65-66*
2014-08-23NesowaNF
no factor from 2^66 to 2^67