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
99985723
Composite: proven not-prime with Lucas-Lehmer test
No factors below 277
TF target 276
P-1
B1 = 830000
B2 = 17222500
LL
StatusDateUserResidueShiftSoftware
Verified2020-03-01Klaus Nordmann7E9D1489F26F8F0445597195Windows 64-bit,Prime95,v29.8,build 5
Verified2026-04-01Greg7E9D1489F26F8F040Linux64,prpll,v46386d0
History
DateUserTypeResult
2026-04-01GregC-LL
7E9D1489F26F8F04
2020-03-01Klaus NordmannC-LL
7E9D1489F26F8F04
2019-12-09ChuckNFno factor TF: 76-77
2019-12-01TheJudgerNF-PM1B1=830000, B2=17222500, E=12
2018-10-19monstNFno factor TF: 75-76
2017-11-17Gordon BowerNFno factor TF: 74-75
2013-09-23La GüiraNFno factor TF: 73-74
2013-09-23La GüiraNFno factor TF: 72-73
2013-09-23La GüiraNFno factor TF: 71-72
2013-09-23La GüiraNFno factor TF: 70-71
2013-09-23La GüiraNFno factor TF: 69-70
2013-09-23La GüiraNFno factor TF: 68-69
2013-09-15processinfoNFno factor TF: 67-68
2013-08-17Le ComteNFno factor TF: 66-67
2013-08-16-anonymous-NFno factor TF: 66-67
2012-04-11Jimmy BrüggemannNFno factor TF: 65-66
2010-10-281997rj7NFno factor TF: 64-65