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
45532637
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 272
P-1
B1 = 1500000
B2 = 30000000
LL
StatusDateUserResidueShiftSoftware
Bad2010-06-27-anonymous-945EFFDFBA822FAE9226921Windows,Prime95,v24 final,(aka Wc1)
Verified2016-06-24kkmrkkblmbrbk97E6AB969C9FA11E16144227Linux 64-bit,Prime95,v28.9,build 2
Verified2016-09-26Mark Rose97E6AB969C9FA11E34785413Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2020-07-09Sid & AndyNFno factor TF: 74-75
2020-04-19Sid & AndyNF-PM1B1=1500000, B2=30000000
2019-12-23-anonymous-NFno factor TF: 73-74
2018-02-24-anonymous-NFno factor TF: 72-73
2016-09-26Mark RoseC-LL97E6AB969C9FA11E
2016-06-24kkmrkkblmbrbkC-LL97E6AB969C9FA11E
2015-08-31wombatmanNFno factor TF: 71-72
2015-08-31wombatmanNFno factor TF: 70-71
2015-08-22Mark RoseNFno factor TF: 69-70
2014-08-12VictordeHollanderNFno factor TF: 68-69
2010-06-27Hiroyuki YasuiC-LL945EFFDFBA822FAE
2009-10-22-anonymous-NF-PM1B1=775000
2007-12-03Team_DeutschlandNFno factor TF: 1-68
2007-04-231997rj7NFno factor TF: 1-63
2000-12-07JossNFno factor TF: 1-56