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
33692213
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 271
P-1
B1 = 375000
B2 = 6656250
LL
StatusDateUserResidueShiftSoftware
Bad2004-04-29Travis SeagertA1F3258A338C3AAF20673018Windows,Prime95,v23,(aka WZ1)
Verified2014-11-14Richard451924361E6A0C808878327Linux 64-bit,Prime95,v27.7,build 2
Verified2014-12-30Dubslow451924361E6A0C8021776725Linux 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2024-05-21James HeinrichNFno factor TF: 68-69
2020-04-22-anonymous-NFno factor TF: 73-74
2019-12-08-anonymous-NFno factor TF: 72-73
2018-09-29Architects CubedNFno factor TF: 71-72
2014-12-30DubslowC-LL451924361E6A0C80
2014-11-14RichardC-LL451924361E6A0C80
2013-02-10bcp19NFno factor TF: 70-71
2013-02-10bcp19NFno factor TF: 69-70
2012-12-08Carsten KossendeyNFno factor TF: 68-69
2004-04-29-anonymous-C-LLA1F3258A338C3AAF
2004-03-26-anonymous-NF-PM1B1=375000, B2=6656250
2004-03-26-anonymous-NFno factor TF: 1-68
2003-09-29markrNFno factor TF: 1-64
2003-06-09markrNFno factor TF: 1-63