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
33593671
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 271
P-1
B1 = 350000
B2 = 4200000
LL
StatusDateUserResidueShiftSoftware
Verified2003-12-31Sean GustafsonD51897081EAFB8B515278717Linux 32-bit,Prime95,v23,(aka WZ2)
Verified2014-12-11DubslowD51897081EAFB8B524934966Linux 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2020-04-21-anonymous-NFno factor TF: 73-74
2019-11-08-anonymous-NFno factor TF: 72-73
2019-09-27Architects CubedNFno factor TF: 71-72
2014-12-11DubslowC-LLD51897081EAFB8B5
2014-02-05-anonymous-NFno factor TF: 70-71
2012-12-13bcp19NFno factor TF: 69-70
2012-12-08ixfd64NFno factor TF: 68-69
2003-12-31-anonymous-C-LLD51897081EAFB8B5
2003-11-28-anonymous-NF-PM1B1=350000, B2=4200000
2003-11-17-anonymous-NFno factor TF: 1-68