Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails50789023Composite: proven not-prime with Lucas-Lehmer testNo factors below 274TF target 273P-1B1 = 600000B2 = 16650000LLStatusDateUserResidueShiftSoftwareVerified2010-07-04f55rBB51EA39BFCEB98E17345487Windows 64-bit,Prime95,v25.9,build 4Verified2020-05-14DubslowBB51EA39BFCEB98E23871735Linux 64-bit,Prime95,v29.8,build 6HistoryDateUserTypeResult2020-05-14DubslowC-LLBB51EA39BFCEB98E2019-06-02TheJudgerNFno factor TF: 73-742016-01-08AirSquirrelsNFno factor TF: 72-732015-11-11Mark RoseNFno factor TF: 71-722015-06-27Mark RoseNFno factor TF: 70-712015-01-19monstNFno factor TF: 69-702010-07-04f55rC-LLBB51EA39BFCEB98E2009-09-30Per JessenNFno factor TF: 68-692009-09-25Craig MeyersNF-PM1B1=600000, B2=166500002009-09-22Artur ZurNFno factor TF: 67-682008-11-27Sturle SundeNFno factor TF: 66-672008-11-26Sturle SundeNFno factor TF: 65-662008-11-25Sturle SundeNFno factor TF: 64-652008-09-25DerekNFno factor TF: 1-642007-03-20James HeinrichNFno factor TF: 1-632003-11-08-anonymous-NFno factor TF: 1-602003-08-31-anonymous-NFno factor TF: 1-592003-08-25-anonymous-NFno factor TF: 1-592002-01-22-anonymous-NFno factor TF: 1-582001-04-21-anonymous-NFno factor TF: 1-572000-04-19-anonymous-NFno factor TF: 1-562000-02-09-anonymous-NFno factor TF: 1-542000-01-04-anonymous-NFno factor TF: 1-531999-10-15-anonymous-NFno factor TF: 1-53