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
69892843
Composite: proven not-prime with Lucas-Lehmer test
No factors below 276
TF target 274
P-1
B1 = 730000
B2 = 17337500
LL
StatusDateUserResidueShiftSoftware
Bad2016-05-05vats0974D372D267A8D7458130CUDALucas v2.05.1
Verified2016-12-03endless_mike29D5B094F990A4E413263545Linux 64-bit,Prime95,v28.9,build 2
Verified2017-01-26Mark Rose29D5B094F990A4E441157050Linux 64-bit,Prime95,v28.10,build 1
History
DateUserTypeResult
2024-06-16LaurVNFno factor TF: 70-71
2024-06-16LaurVNFno factor TF: 69-70
2020-05-30-anonymous-NFno factor TF: 75-76
2017-01-26Mark RoseC-LL29D5B094F990A4E4
2016-12-03endless_mikeC-LL29D5B094F990A4E4
2016-05-05vats09C-LL74D372D267A8D745
2016-04-26ktonyNFno factor TF: 74-75
2016-04-01Mark RoseNFno factor TF: 62-64
2014-11-04monaghanrlNFno factor TF: 73-74
2014-04-20chalsallNFno factor TF: 72-73
2014-04-15timc995NF-PM1B1=730000, B2=17337500, E=6
2014-01-05bayanneNFno factor TF: 71-72
2013-09-18Architects CubedNFno factor TF: 70-71
2013-09-18Architects CubedNFno factor TF: 69-70
2010-05-04eon_blue_apocalypseNFno factor TF: 68-69
2010-05-01eon_blue_apocalypseNFno factor TF: 67-68
2010-03-01unconnectedNFno factor TF: 66-67
2010-02-27Brian ChanNFno factor TF: 65-66
2010-02-20Sturle SundeNFno factor TF: 64-65
2003-10-23-anonymous-NFno factor TF: 1-62
2000-09-15JossNFno factor TF: 1-56