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
85653203
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 690000
B2 = 13627500
LL
StatusDateUserResidueShiftSoftware
Unverified2018-06-12C-CA74394CF02195B__81659301Windows 64-bit,Prime95,v29.4,(aka Wg4)
History
DateUserTypeResult
2018-06-12C-CC-LLA74394CF02195B__
2018-02-19Jacques MOLNENF-PM1B1=690000, B2=13627500, E=12
2017-10-14electron1897NFno factor TF: 75-76
2017-10-01Brian BeuningNFno factor TF: 74-75
2017-04-29-anonymous-NFno factor TF: 73-74
2017-03-02Judge HaleNFno factor TF: 71-72
2017-03-02Judge HaleNFno factor TF: 72-73
2013-11-26g0bNFno factor TF: 70-71
2013-08-21processinfoNFno factor TF: 69-70
2013-08-19processinfoNFno factor TF: 68-69
2013-06-17g0bNFno factor TF: 67-68
2013-02-23-anonymous-NFno factor TF: 66-67
2012-08-22america64NFno factor TF: 65-66
2010-11-27Architects CubedNFno factor TF: 64-65