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
44273263
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 272
P-1
B1 = 750000
B2 = 750000
LL
StatusDateUserResidueShiftSoftware
Bad2008-11-09argiloA522098C3E6DC29A36644287Windows,Prime95,v25.7,build 3
Verified2016-01-12Greg36B8E4346C87013439919565CUDALucas v2.05 Beta
Verified2016-09-18Mark Rose36B8E4346C87013429604521Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2018-03-19ktonyNFno factor TF: 72-73
2016-09-18Mark RoseC-LL36B8E4346C870134
2016-01-12GregC-LL36B8E4346C870134
2015-10-04-anonymous-NFno factor TF: 71-72
2015-10-04-anonymous-NFno factor TF: 70-71
2015-06-24David CampeauNFno factor TF: 69-70
2014-03-01bayanneNFno factor TF: 68-69
2008-11-09argiloC-LLA522098C3E6DC29A
2008-10-04argiloNF-PM1B1=750000
2008-05-10-anonymous-NFno factor TF: 1-68