Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails33557807Composite: proven not-prime with Lucas-Lehmer testNo factors below 273TF target 271P-1B1 = 455000B2 = 8986250LLStatusDateUserResidueShiftSoftwareVerified2004-06-21Stephan Grupp2206A6A3D7A75BDD29623262Windows,Prime95,v23,(aka WZ1)Verified2014-11-26Dubslow2206A6A3D7A75BDD9980587Linux 64-bit,Prime95,v28.5,build 2HistoryDateUserTypeResult2019-11-10-anonymous-NFno factor TF: 72-732019-05-07Architects CubedNF-PM1B1=455000, B2=8986250, E=122019-05-04Architects CubedNFno factor TF: 71-722014-11-26DubslowC-LL2206A6A3D7A75BDD2013-05-02GrunwalderGIMPNFno factor TF: 70-712013-05-02GrunwalderGIMPNFno factor TF: 69-702012-10-13NumberwangNFno factor TF: 68-692004-06-21Stephan GruppC-LL2206A6A3D7A75BDD2003-08-25-anonymous-NF-PM1B1=4950002003-08-08-anonymous-NFno factor TF: 1-68