Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
17752381
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 269
Factored
FactorDigitsBitsDate
26234292653215908891961.22015-11-10 14:49:33
LL
StatusDateUserResidueShiftSoftware
Factored2003-02-16Arjan Koek826D12D8B95A383315539943Linux 32-bit,Prime95,v23,(aka WZ2)
Factored2007-06-15George Glover826D12D8B95A38333885199Linux 32-bit,Prime95,v24 final,(aka Wc2)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
Certified Good
2024-09-16kkmrkkblmbrbkAEBD8A38B1260CC81131770053
History
DateUserTypeResult
2024-09-16GrahamWCERT
Proof certified good
2024-09-16kkmrkkblmbrbkC-PRPM17752381/2623429265321590889 : AEBD8A38B1260CC8
Proof Certified Good

Proof Power: 8

2024-07-10kkmrkkblmbrbkNFno factor TF: 69-70
2024-07-10kkmrkkblmbrbkNFno factor TF: 68-69
2022-03-28LordJuliusNFno factor TF: 65-66
2015-11-10TJAOIFFactor: 2623429265321590889
2014-08-23NesowaNFno factor TF: 66-67
2007-06-15-anonymous-C-LL826D12D8B95A3833
2003-02-16KoekieC-LL826D12D8B95A3833
2003-01-25KoekieNF-PM1B1=225000, B2=5793750
2001-10-06-anonymous-NFno factor TF: 1-65
2001-05-20Net_ForceNFno factor TF: 1-60
2001-03-11Net_ForceNFno factor TF: 1-59
2001-02-11Net_ForceNFno factor TF: 1-58