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
33603743
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 271
P-1
B1 = 213000
B2 = 152924310
LL
StatusDateUserResidueShiftSoftware
Verified2008-01-15Ars Technica Team Prime RibC518EFA64CFD1A4B21443655Windows,Prime95,v24 final,(aka Wc1)
Verified2014-09-12P_B_MCLC518EFA64CFD1A4B22567928Mac OS X 64-bit,Prime95,v27.9,build 1
History
DateUserTypeResult
2024-11-03tscNF-PM1B1=213000, B2=152924310
2024-05-24Jarod McClintockNFno factor TF: 68-69
2020-04-19-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
2016-03-27Mark RoseNFno factor TF: 64-66
2016-02-23Mark RoseNFno factor TF: 1-64
2014-09-12P_B_MCLC-LLC518EFA64CFD1A4B
2014-04-09axnNFno factor TF: 70-71
2013-01-08Architects CubedNFno factor TF: 69-70
2013-01-01Carsten KossendeyNFno factor TF: 68-69
2010-07-11GrunwalderGIMPNFno factor TF: 67-68
2008-01-15Team Prime RibC-LLC518EFA64CFD1A4B