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
33604411
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 271
P-1
B1 = 455000
B2 = 8986250
LL
StatusDateUserResidueShiftSoftware
VerifiedJim Tippins1D8C6C000E4109002286227Windows,Prime95,v23,(aka WZ1)
Verified2004-01-18Michael Rybacha1D8C6C000E41090023026348Windows,Prime95,v23,(aka WZ1)
History
DateUserTypeResult
2020-04-19-anonymous-NFno factor TF: 73-74
2019-12-07-anonymous-NFno factor TF: 72-73
2018-09-15Architects CubedNF-PM1B1=455000, B2=8986250, E=12
2018-08-20Architects CubedNFno factor TF: 71-72
2015-01-27NesowaNFno factor TF: 70-71
2013-12-02sasakiNFno factor TF: 69-70
2013-09-06Torben K.NFno factor TF: 68-69
2005-01-10Michael RybachaNFno factor TF: 1-68
2005-01-10Michael RybachaNF-PM1B1=400000, B2=9000000
2005-01-10Michael RybachaC-LL1D8C6C000E410900
2004-01-18Michael RybachaNFno factor TF: 1-68
2004-01-18Michael RybachaC-LL1D8C6C000E410900
2004-01-18Michael RybachaNF-PM1B1=400000, B2=9000000