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
86000183
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 277
TF target 275
P-1
B1 = 2500000
B2 = 152500000
LL
StatusDateUserResidueShiftSoftware
Unverified2017-02-28QingkongD524014B729BF0__67739337Windows 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2021-06-28mikrNF-PM1B1=2500000, B2=152500000
2020-08-14mikrNFno factor TF: 76-77
2017-02-28QingkongC-LLD524014B729BF0__
2016-03-30laleraNFno factor TF: 75-76
2016-03-30laleraNFno factor TF: 74-75
2016-03-24laleraNFno factor TF: 73-74
2016-03-24laleraNFno factor TF: 72-73
2014-06-30timbitNF-PM1B1=985000, B2=27580000
2013-12-04SWL551NFno factor TF: 71-72
2013-12-04SWL551NFno factor TF: 70-71
2013-11-12RobishNFno factor TF: 69-70
2013-10-28SMoffatNFno factor TF: 68-69
2013-10-25SMoffatNFno factor TF: 67-68
2011-02-07Michael CNFno factor TF: 66-67
2010-11-21Michael CNFno factor TF: 65-66
2010-10-24Michael CNFno factor TF: 64-65
2010-10-24-anonymous-NFno factor TF: 64-65