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
43697009
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 460000
B2 = 3795000
LL
StatusDateUserResidueShiftSoftware
Bad2008-08-07Craig Meyers84C292E1144A588725167575Windows,Prime95,v24 final,(aka Wc1)
Verified2016-01-07MadPoo 🙂4C8F4EDBE8B173ED24433913Windows 64-bit,Prime95,v26,(aka We4)
Verified2016-09-11Mark Rose4C8F4EDBE8B173ED42270937Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2018-08-07-anonymous-NFno factor TF: 72-73
2016-09-11Mark RoseC-LL4C8F4EDBE8B173ED
2016-01-07MadPoo 🙂C-LL4C8F4EDBE8B173ED
2015-09-24Travis Glenn RussoNFno factor TF: 71-72
2015-09-09VictordeHollanderNFno factor TF: 70-71
2015-04-06LaurVNFno factor TF: 69-70
2014-01-19LaurVNFno factor TF: 68-69
2008-08-07Craig MeyersC-LL84C292E1144A5887
2008-06-22Craig MeyersNF-PM1B1=460000, B2=3795000
2007-09-13Team Prime RibNFno factor TF: 1-68