Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails56771147Composite: proven not-prime with Lucas-Lehmer testNo factors below 275TF target 273P-1B1 = 570000B2 = 12255000LLStatusDateUserResidueShiftSoftwareVerified2013-03-27Amazon EC20E17CF5E65D4595731905030Linux 64-bit,Prime95,v27.9,build 1Verified2021-06-10Dubslow0E17CF5E65D4595740220131Linux 64-bit,Prime95,v29.8,build 6HistoryDateUserTypeResult2021-06-10DubslowC-LL0E17CF5E65D459572018-12-31Sid & AndyNFno factor TF: 74-752018-10-07ChuckNFno factor TF: 73-742016-02-23Mark RoseNFno factor TF: 62-632016-01-08-anonymous-NFno factor TF: 72-732013-03-27Amazon EC2C-LL0E17CF5E65D459572012-07-25Sebastian HornbostelNF-PM1B1=570000, B2=12255000, E=62012-07-06Jerry HallettNFno factor TF: 71-722011-09-07BranMuffinNFno factor TF: 70-712011-06-14-anonymous-NFno factor TF: 69-702011-04-21tmorrowNFno factor TF: 68-692009-06-06S485122NFno factor TF: 67-682008-08-16Sturle SundeNFno factor TF: 66-672008-08-11Sturle SundeNFno factor TF: 65-662008-08-10Sturle SundeNFno factor TF: 64-652008-08-10Sturle SundeNFno factor TF: 63-642005-01-20ThomRuleyNFno factor TF: 1-622004-02-23ThomRuleyNFno factor TF: 1-612002-11-02-anonymous-NFno factor TF: 1-582001-09-30-anonymous-NFno factor TF: 1-572000-06-29-anonymous-NFno factor TF: 1-562000-06-28-anonymous-NFno factor TF: 1-562000-03-08-anonymous-NFno factor TF: 1-542000-01-19-anonymous-NFno factor TF: 1-531999-12-23-anonymous-NFno factor TF: 1-53