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
46523201
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShiftSoftware
Bad2010-12-01Matt Rumitz686FC2FE419F70EE20873333Windows,Prime95,v25.11,build 2
Verified2016-07-10kkmrkkblmbrbk34305EFE50EA396F34108367Linux 64-bit,Prime95,v28.9,build 2
Verified2016-09-28Mark Rose34305EFE50EA396F420015Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2019-10-02Sid & AndyNFno factor TF: 73-74
2019-08-22Sid & AndyNF-PM1B1=1000000, B2=20000000, E=12
2018-02-23-anonymous-NFno factor TF: 72-73
2016-09-28Mark RoseC-LL34305EFE50EA396F
2016-07-10kkmrkkblmbrbkC-LL34305EFE50EA396F
2016-02-23Mark RoseNFno factor TF: 1-63
2015-08-24AirSquirrelsNFno factor TF: 71-72
2015-08-24AirSquirrelsNFno factor TF: 70-71
2015-08-13Gordon SpenceNFno factor TF: 69-70
2014-09-01VictordeHollanderNFno factor TF: 68-69
2010-12-01Matt RumitzC-LL686FC2FE419F70EE
2009-10-18-anonymous-NF-PM1B1=795000
2008-02-03firehawkNFno factor TF: 63-64
2008-02-03firehawkNFno factor TF: 65-66
2008-02-03firehawkNFno factor TF: 67-68
2008-02-03firehawkNFno factor TF: 66-67
2008-02-03firehawkNFno factor TF: 64-65