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

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MnDetails
761
Composite, with 4 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
4567412.2old
6089412.6old
73868642181319272892117140827344733109.2old
28023026691860823980581055654465537672380919878089033711075596238540769227.4old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
No proof (small exponent)
2024-09-06George WoltmanPRP_PRP_PRP_PRP_4013
History
DateUserTypeResult
2024-09-06George WoltmanP-PRPM761/4567/6089/738686421813192728921171408273447/280230266918608239805810556544655376723809198780890337110755962385407
PRP Cofactor
2005-01-20-anonymous-F-ECMFactor: 738686421813192728921171408273447