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
45450289
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 435000
B2 = 8808750
LL
StatusDateUserResidueShiftSoftware
Verified2012-04-28Dubslow7ABEC968F5D45EB924651523Linux 64-bit,Prime95,v27.6,build 1
Verified2018-02-02RMAC9.57ABEC968F5D45EB920273187Windows,Prime95,v27.7,build 2
History
DateUserTypeResult
2018-02-02RMAC9.5C-LL7ABEC968F5D45EB9
2017-11-10RichD0NFno factor TF: 72-73
2012-04-28DubslowC-LL7ABEC968F5D45EB9
2012-01-21monstNF-PM1B1=435000, B2=8808750, E=6
2012-01-08RichD0NFno factor TF: 71-72
2011-11-06ChuckNFno factor TF: 70-71
2011-11-06ChuckNFno factor TF: 69-70
2011-11-06ChuckNFno factor TF: 68-69
2007-12-03precius1NFno factor TF: 1-68
2007-04-071997rj7NFno factor TF: 1-63