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
45252049
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShiftSoftware
Bad2009-09-29Colin Rattray-WoodC46D2F6F11F1CD4538966281Windows,Prime95,v25.8,build 5
Verified2010-06-09lindedA5230E256FF9756437254581Windows Service,Prime95,v25.9,build 4
Verified2016-08-19ATHA5230E256FF9756422636493CUDALucas v2.05.1
History
DateUserTypeResult
2019-04-14Sid & AndyNF-PM1B1=1000000, B2=20000000, E=6
2018-02-23-anonymous-NFno factor TF: 72-73
2016-08-19ATHC-LL
A5230E256FF97564
2015-08-09GregNFno factor TF: 70-72
2015-08-05David CampeauNFno factor TF: 69-70
2014-08-04Andrew BNFno factor TF: 68-69
2010-06-09lindedC-LL
A5230E256FF97564
2009-09-29Colin Rattray-WoodC-LL
C46D2F6F11F1CD45
2009-05-27Colin Rattray-WoodNF-PM1B1=765000
2007-12-03TheJudgerNFno factor TF: 1-68