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
85450597
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 690000
B2 = 11385000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-03-15GULUES5ACC3E871227A3__42394943Windows 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2019-03-15GULUESC-LL5ACC3E871227A3__
2018-01-21KrieselNF-PM1B1=690000, B2=11385000, E=2
2017-09-03TheJudgerNFno factor TF: 75-76
2017-08-30Brian BeuningNFno factor TF: 74-75
2017-04-28-anonymous-NFno factor TF: 73-74
2017-02-26garoNFno factor TF: 71-72
2017-02-26garoNFno factor TF: 72-73
2014-03-12Nasty Yoghurt GuyNFno factor TF: 70-71
2013-08-18RobishNFno factor TF: 69-70
2013-08-16RobishNFno factor TF: 68-69
2013-08-16RobishNFno factor TF: 67-68
2013-06-17Lukin DmitryNFno factor TF: 66-67
2013-04-27c10ck3rNFno factor TF: 65-66
2010-11-26Architects CubedNFno factor TF: 64-65