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

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MnStatusDetails
17752381Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
26234292653215908891961.22015-11-10 14:49:33
LL
StatusDateUserResidueShift
Verified (Factored)2003-02-16Arjan Koek826D12D8B95A383315539943
Verified (Factored)2007-06-15George Glover826D12D8B95A38333885199
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-09-16kkmrkkblmbrbkAEBD8A38B1260CC81131770053
History
DateUserTypeResult
2024-09-16GrahamWCERT
PRP Certification
Proof certified good
2024-09-16kkmrkkblmbrbkC-PRP
M17752381/2623429265321590889 : AEBD8A38B1260CC8
PRP proof power = 8
PRP: Verified
Proof certified good
2024-07-10kkmrkkblmbrbkNF
no factor from 2^69 to 2^70
2024-07-10kkmrkkblmbrbkNF
no factor from 2^68 to 2^69
2022-03-28LordJuliusNF
no factor from 2^65 to 2^66
2015-11-10TJAOIF
Factor: 2623429265321590889 / TF: 61-62
2014-08-23NesowaNF
no factor from 2^66 to 2^67