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
33559517
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 271
P-1
B1 = 380000
B2 = 7790000
LL
StatusDateUserResidueShiftSoftware
Verified2003-11-28Ars Technica Team Prime RibACC0745B5940498A23304669Windows,Prime95,v23,(aka WZ1)
Verified2014-11-26DubslowACC0745B5940498A26249237Linux 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2019-11-09-anonymous-NFno factor TF: 72-73
2019-09-23Architects CubedNFno factor TF: 71-72
2014-11-26DubslowC-LLACC0745B5940498A
2014-03-19bayanneNFno factor TF: 70-71
2012-12-22garoNFno factor TF: 69-70
2012-12-22garoNFno factor TF: 68-69
2003-11-28Team Prime RibC-LLACC0745B5940498A
2003-08-25Team Prime RibNF-PM1B1=380000, B2=7790000
2003-08-08Team Prime RibNFno factor TF: 1-68