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
67597393
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 615000
B2 = 12607500
LL
StatusDateUserResidueShiftSoftware
Verified2016-06-22proxy22225BD366E73047B6FC33811400CUDALucas v2.05
Verified2016-06-22SourceBinary.com5BD366E73047B6FC32317842Windows 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2016-06-22SourceBinary.comC-LL5BD366E73047B6FC
2016-06-22proxy2222C-LL5BD366E73047B6FC
2016-01-19Judge HaleNFno factor TF: 74-75
2014-06-01TheJudgerNF-PM1B1=615000, B2=12607500, E=12
2014-05-18TheJudgerNFno factor TF: 73-74
2014-05-10BdotNFno factor TF: 72-73
2014-05-09BdotNFno factor TF: 71-72
2013-05-06Smok_bmv NFno factor TF: 70-71
2012-02-24-anonymous-NFno factor TF: 69-70
2010-02-21Sturle SundeNFno factor TF: 68-69
2009-04-08Joel McBethNFno factor TF: 67-68
2009-04-07Joel McBethNFno factor TF: 66-67
2009-04-06Joel McBethNFno factor TF: 65-66
2009-04-05willmoreNFno factor TF: 64-65
2008-12-25Wojciech FlorekNFno factor TF: 63-64