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
333121333
Composite: proven not-prime with Lucas-Lehmer test
No factors below 281
TF target 281
P-1
B1 = 1568000
B2 = 357861210
LL
StatusDateUserResidueShiftSoftware
Verified2016-04-14aurashift4C840A30A6177578290278106Linux 64-bit,Prime95,v28.7,build 1
Verified2017-05-04polterbyte4C840A30A61775786652494Windows 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2023-02-11Mark RoseNF-PM1B1=1568000, B2=357861210
2017-05-04polterbyteC-LL4C840A30A6177578
2016-04-21Bruno VictalNFno factor TF: 80-81
2016-04-20Bruno VictalNFno factor TF: 79-80
2016-04-14aurashiftC-LL4C840A30A6177578
2013-02-03Never Odd Or EvenNFno factor TF: 78-79
2013-02-02Never Odd Or EvenNFno factor TF: 77-78
2012-02-04Never Odd Or EvenNFno factor TF: 76-77
2012-02-02Never Odd Or EvenNF-PM1B1=1000000
2012-02-02Never Odd Or EvenNFno factor TF: 75-76
2012-02-02Never Odd Or EvenNF-PM1B1=500000
2011-10-23Never Odd Or EvenNF-PM1B1=150000
2011-10-22Never Odd Or EvenNF-PM1B1=100000
2011-10-22Never Odd Or EvenNF-PM1B1=50000
2011-09-26Never Odd Or EvenNFno factor TF: 74-75
2011-09-25Never Odd Or EvenNFno factor TF: 73-74
2011-06-27Never Odd Or EvenNFno factor TF: 72-73
2011-05-04Never Odd Or EvenNFno factor TF: 71-72
2011-05-04Never Odd Or EvenNFno factor TF: 70-71
2011-05-03Never Odd Or EvenNFno factor TF: 69-70
2011-05-02Never Odd Or EvenNFno factor TF: 68-69
2011-05-02Never Odd Or EvenNFno factor TF: 67-68
2011-05-02Never Odd Or EvenNFno factor TF: 66-67
2010-11-03Architects CubedNFno factor TF: 65-66