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
33600451
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 271
P-1
B1 = 213000
B2 = 152924310
LL
StatusDateUserResidueShiftSoftware
VerifiedHenk StokhorstB06F7A2F7264A5F913026287Windows,Prime95,v25 beta,(aka Wd1)
Verified2014-12-03owftheevilB06F7A2F7264A5F932278114Linux 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2024-11-03tscNF-PM1B1=213000, B2=152924310
2024-05-21James HeinrichNFno factor TF: 68-69
2020-04-18-anonymous-NFno factor TF: 73-74
2019-12-26-anonymous-NFno factor TF: 71-72
2019-12-26-anonymous-NFno factor TF: 72-73
2016-03-27Mark RoseNFno factor TF: 66-67
2014-12-03owftheevilC-LLB06F7A2F7264A5F9
2014-04-09Andrew BNFno factor TF: 70-71
2013-01-09bcp19NFno factor TF: 69-70
2012-12-31Carsten KossendeyNFno factor TF: 68-69
2010-07-05GrunwalderGIMPNFno factor TF: 67-68
2003-06-30-anonymous-NFno factor TF: 1-66
2003-06-06markrNFno factor TF: 1-64
2003-06-01markrNFno factor TF: 1-64