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
34536841
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 271
P-1
B1 = 380000
B2 = 7125000
LL
StatusDateUserResidueShiftSoftware
Verified2005-06-05John PortwoodD414217B46779D7A31338915Windows,Prime95,v23,(aka WZ1)
Verified2015-04-24DubslowD414217B46779D7A24509553Linux 64-bit,Prime95,v28.6,build 1
History
DateUserTypeResult
2019-11-08-anonymous-NFno factor TF: 71-72
2019-11-08-anonymous-NFno factor TF: 72-73
2015-04-24DubslowC-LLD414217B46779D7A
2014-03-07The MawnNFno factor TF: 70-71
2014-03-07The MawnNFno factor TF: 69-70
2013-01-27David CampeauNFno factor TF: 68-69
2005-06-05-anonymous-C-LLD414217B46779D7A
2005-05-12-anonymous-NFno factor TF: 1-68
2005-05-12-anonymous-NF-PM1B1=380000, B2=7125000
2003-09-29mdrgNFno factor TF: 1-62