Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails44273263Composite: proven not-prime with Lucas-Lehmer testNo factors below 273TF target 272P-1B1 = 750000B2 = 750000LLStatusDateUserResidueShiftSoftwareBad2008-11-09argiloA522098C3E6DC29A36644287Windows,Prime95,v25.7,build 3Verified2016-01-12Greg36B8E4346C87013439919565CUDALucas v2.05 BetaVerified2016-09-18Mark Rose36B8E4346C87013429604521Linux 64-bit,Prime95,v28.9,build 2HistoryDateUserTypeResult2018-03-19ktonyNFno factor TF: 72-732016-09-18Mark RoseC-LL36B8E4346C8701342016-01-12GregC-LL36B8E4346C8701342015-10-04-anonymous-NFno factor TF: 71-722015-10-04-anonymous-NFno factor TF: 70-712015-06-24David CampeauNFno factor TF: 69-702014-03-01bayanneNFno factor TF: 68-692008-11-09argiloC-LLA522098C3E6DC29A2008-10-04argiloNF-PM1B1=7500002008-05-10-anonymous-NFno factor TF: 1-68