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
89632097
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 280
TF target 275
P-1
B1 = 545000
B2 = 8992500
LL
StatusDateUserResidueShiftSoftware
Unverified2016-05-12Qingkong3652ED7CFBA375__15263269Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2016-05-12QingkongC-LL3652ED7CFBA375__
2016-03-03QingkongNF-PM1B1=545000, B2=8992500, E=6
2014-09-08workerthreadNFno factor TF: 79-80
2014-09-08workerthreadNFno factor TF: 78-79
2014-09-08workerthreadNFno factor TF: 77-78
2014-09-08workerthreadNFno factor TF: 76-77
2014-09-08workerthreadNFno factor TF: 75-76
2014-08-27workerthreadNFno factor TF: 74-75
2014-08-27workerthreadNFno factor TF: 73-74
2014-08-27workerthreadNFno factor TF: 72-73
2014-08-27workerthreadNFno factor TF: 71-72
2014-08-27workerthreadNFno factor TF: 70-71
2013-10-04ITSNFno factor TF: 69-70
2013-09-30-anonymous-NFno factor TF: 68-69
2013-07-23Norman LeyNFno factor TF: 67-68
2013-04-02g0bNFno factor TF: 66-67
2013-03-22g0bNFno factor TF: 65-66
2010-11-10Architects CubedNFno factor TF: 64-65