Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails54237719Composite: proven not-prime with Lucas-Lehmer testNo factors below 274TF target 273P-1B1 = 570000B2 = 12540000LLStatusDateUserResidueShiftSoftwareVerified2013-05-17TonySutt898FF69928AE0EC81133789Windows 64-bit,Prime95,v27.7,build 2Verified2020-11-14Dubslow898FF69928AE0EC820558992Linux 64-bit,Prime95,v29.8,build 6HistoryDateUserTypeResult2020-11-14DubslowC-LL898FF69928AE0EC82019-07-31Jon PaceNFno factor TF: 73-742016-02-02AirSquirrelsNFno factor TF: 72-732013-05-17TonySuttC-LL898FF69928AE0EC82012-03-19wangyun183NFno factor TF: 71-722012-01-15Charlie_TangoNF-PM1B1=570000, B2=125400002011-09-21megavinkNFno factor TF: 70-712011-05-25AnonimNFno factor TF: 69-702011-04-02Per JessenNFno factor TF: 68-692009-05-09blackivoryNFno factor TF: 67-682009-02-11trifNFno factor TF: 66-672009-01-13trifNFno factor TF: 65-662008-12-25borkencodeNFno factor TF: 64-652008-12-191997rj7NFno factor TF: 1-642008-05-10-anonymous-NFno factor TF: 1-632003-11-28oerwinNFno factor TF: 1-622003-04-27oerwinNFno factor TF: 1-592002-08-31-anonymous-NFno factor TF: 1-582001-08-31-anonymous-NFno factor TF: 1-572000-05-31-anonymous-NFno factor TF: 1-562000-03-01-anonymous-NFno factor TF: 1-542000-01-12-anonymous-NFno factor TF: 1-531999-12-08-anonymous-NFno factor TF: 1-53