Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails31249993Composite: proven not-prime with Lucas-Lehmer testNo factors below 275TF target 271P-1B1 = 1000000B2 = 30000000LLStatusDateUserResidueShiftSoftwareBad2006-10-24Dave HartBB275DDB9C245F549947466Windows,Prime95,v23,(aka WZ1)Verified2007-05-28Mike EllisB3BD94BEFC4EE06212251754Windows,Prime95,v24 final,(aka Wc1)Verified2013-05-21-anonymous-B3BD94BEFC4EE06212602370Windows,Prime95,v27.7,build 1HistoryDateUserTypeResult2021-10-04TheJudgerNFno factor TF: 74-752021-09-14Sid & AndyNF-PM1B1=1000000, B2=300000002020-04-09-anonymous-NFno factor TF: 73-742019-12-20-anonymous-NFno factor TF: 72-732019-12-20-anonymous-NFno factor TF: 71-722018-12-19ramgeisNFno factor TF: 70-712013-05-21-anonymous-C-LLB3BD94BEFC4EE0622013-02-21apsenNFno factor TF: 69-702012-06-30krackerNFno factor TF: 68-692007-05-28-anonymous-C-LLB3BD94BEFC4EE0622006-10-24-anonymous-C-LLBB275DDB9C245F542006-07-25-anonymous-NFno factor TF: 1-682006-07-25-anonymous-NF-PM1B1=4750002005-11-27sannerud.comNFno factor TF: 1-672003-07-06-anonymous-NFno factor TF: 1-592003-06-06JossNFno factor TF: 1-582001-08-31Net_ForceNFno factor TF: 1-562001-01-14JossNFno factor TF: 1-52