Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails37145807Composite: proven not-prime with Lucas-Lehmer testNo factors below 273TF target 271P-1B1 = 400000B2 = 12000000LLStatusDateUserResidueShiftSoftwareVerified2008-06-14Stephen Grupp1E6651954978A7F512593917Windows,Prime95,v24 final,(aka Wc1)Verified2016-08-16Dubslow1E6651954978A7F520969932Linux 64-bit,Prime95,v28.7,build 1HistoryDateUserTypeResult2024-05-21James HeinrichNFno factor TF: 68-692022-07-28Sid & AndyNFno factor TF: 72-732022-06-19Architects CubedNFno factor TF: 71-722016-08-16DubslowC-LL1E6651954978A7F52016-01-15HBendtzNF-PM1B1=400000, B2=12000000, E=122014-11-22NickOfTimeNFno factor TF: 70-712014-10-20VictordeHollanderNFno factor TF: 69-702012-10-26Carsten KossendeyNFno factor TF: 68-692012-04-11Carsten KossendeyNFno factor TF: 67-682008-06-13Stephan GruppC-LL1E6651954978A7F52007-04-23-anonymous-NF-PM1B1=6450002006-04-14TheJudgerNFno factor TF: 1-67