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
33604273
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 271
P-1
B1 = 320000
B2 = 6000000
LL
StatusDateUserResidueShiftSoftware
Verified2004-04-09Piotr Grzegrzółka84F8DBD51F5791561296411Windows,Prime95,v23,(aka WZ1)
Verified2014-09-10planetmike84F8DBD51F57915616069570Mac OS X 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2024-05-24Jarod McClintockNFno factor TF: 68-69
2020-04-19-anonymous-NFno factor TF: 73-74
2019-12-26-anonymous-NFno factor TF: 72-73
2019-12-26-anonymous-NFno factor TF: 71-72
2015-11-10Sid & AndyNF-PM1B1=320000, B2=6000000, E=6
2014-09-10planetmikeC-LL
84F8DBD51F579156
2014-04-09axnNFno factor TF: 70-71
2013-01-10marssystemsNFno factor TF: 69-70
2013-01-01Carsten KossendeyNFno factor TF: 68-69
2004-04-09-anonymous-C-LL
84F8DBD51F579156
2004-04-09-anonymous-NF-PM1B1=310000, B2=495000
2004-02-07-anonymous-NFno factor TF: 1-68
2004-01-07-anonymous-NFno factor TF: 1-68