Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails47456863Composite: proven not-prime with Lucas-Lehmer testNo factors below 273TF target 272P-1B1 = 525000B2 = 10762500LLStatusDateUserResidueShiftSoftwareVerified2009-05-19Guido Lorenzini10AD080F2E5C6CEC37863037Windows,Prime95,v25.7,build 3Verified2015-11-28ATH10AD080F2E5C6CEC33974541Windows 64-bit,Prime95,v28.7,build 1HistoryDateUserTypeResult2018-01-17ktonyNFno factor TF: 72-732015-11-28ATHC-LL10AD080F2E5C6CEC2013-06-29Architects CubedNF-PM1B1=525000, B2=10762500, E=62013-06-26David CampeauNFno factor TF: 71-722012-07-20David CampeauNFno factor TF: 70-712012-07-20David CampeauNFno factor TF: 69-702009-05-19Guido LorenziniC-LL10AD080F2E5C6CEC2008-03-22Team Prime RibNFno factor TF: 1-69