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
45639193
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 775000
B2 = 775000
LL
StatusDateUserResidueShiftSoftware
Bad2009-05-10-anonymous-015A158F5234E47728286687Linux 32-bit,Prime95,v24 final,(aka Wc2)
Verified2016-07-03kkmrkkblmbrbk70EB4C4EE79E66BE41853081Linux 64-bit,Prime95,v28.9,build 2
Verified2016-08-16ATH70EB4C4EE79E66BE2947CUDALucas v2.05.1
History
DateUserTypeResult
2017-12-27Mark RoseNFno factor TF: 72-73
2016-08-16ATHC-LL70EB4C4EE79E66BE
2016-07-03kkmrkkblmbrbkC-LL70EB4C4EE79E66BE
2015-08-24AirSquirrelsNFno factor TF: 71-72
2015-08-24AirSquirrelsNFno factor TF: 70-71
2015-08-12Gordon SpenceNFno factor TF: 69-70
2014-08-14VictordeHollanderNFno factor TF: 68-69
2009-05-10-anonymous-C-LL015A158F5234E477
2009-01-17-anonymous-NF-PM1B1=775000
2007-12-18HazmattomNFno factor TF: 1-68
2007-01-161997rj7NFno factor TF: 1-63
2000-12-14JossNFno factor TF: 1-54