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
85525457
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 680000
B2 = 13090000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-07-27patgieFACD77C191F0DA__23205094Windows 64-bit,Prime95,v29.8,build 3
History
DateUserTypeResult
2024-06-11James HeinrichNFno factor TF: 68-69
2019-07-27patgieC-LLFACD77C191F0DA__
2019-04-28ATHNFno factor TF: 63-64
2019-04-28ATHNFno factor TF: 1-63
2018-01-14Charlie_TangoNF-PM1B1=680000, B2=13090000, E=6
2017-09-17TheJudgerNFno factor TF: 75-76
2017-09-14Brian BeuningNFno factor TF: 74-75
2017-04-21-anonymous-NFno factor TF: 73-74
2017-02-26Judge HaleNFno factor TF: 72-73
2017-02-26Judge HaleNFno factor TF: 71-72
2015-08-24monstNFno factor TF: 70-71
2014-03-20SMoffatNFno factor TF: 69-70
2014-01-14Carsten KossendeyNFno factor TF: 68-69
2013-06-20Six Blue BoxesNFno factor TF: 67-68
2013-02-28Freaks32NFno factor TF: 66-67
2013-02-28wangyun183NFno factor TF: 65-66
2010-11-26Architects CubedNFno factor TF: 64-65