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
67020383
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 730000
B2 = 17885000
LL
StatusDateUserResidueShiftSoftware
Verified2014-03-05Kyle Z Schmidt8B2FD3FD36BD540850446572Windows 64-bit,Prime95,v27.9,build 1
Verified2022-10-07-anonymous-8B2FD3FD36BD540841082699Windows 64-bit,Prime95,v28.10,build 1
History
DateUserTypeResult
2022-10-07-anonymous-C-LL8B2FD3FD36BD5408
2020-07-19TheJudgerNFno factor TF: 74-75
2016-03-28Mark RoseNFno factor TF: 60-63
2014-03-05Kyle Z SchmidtC-LL8B2FD3FD36BD5408
2014-02-05ChuckNFno factor TF: 73-74
2014-02-05ChuckNFno factor TF: 72-73
2014-02-05ChuckNFno factor TF: 71-72
2013-09-02authenticNF-PM1B1=730000, B2=17885000, E=6
2012-09-26Clown_RoyalNFno factor TF: 70-71
2012-02-15dslNFno factor TF: 69-70
2010-04-03Sturle SundeNFno factor TF: 68-69
2010-03-29The TreachersNFno factor TF: 67-68
2010-03-07thej_man1042NFno factor TF: 66-67
2009-12-31MillsieNFno factor TF: 65-66
2009-03-31borkencodeNFno factor TF: 64-65
2008-12-10Wojciech FlorekNFno factor TF: 63-64
2002-10-26JossNFno factor TF: 1-60