Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails44771917Composite: proven not-prime with Lucas-Lehmer testNo factors below 274TF target 272P-1B1 = 540000B2 = 14985000LLStatusDateUserResidueShiftSoftwareBad2009-08-14Will Wilkinson270A20D70999B11533856620Windows 64-bit,Prime95,v25.9,build 4Verified2015-11-17endless_mikeA18E010238895BAD7964214Windows 64-bit,Prime95,v28.7,build 1Verified2016-10-29Mark RoseA18E010238895BAD28214618Linux 64-bit,Prime95,v28.9,build 2HistoryDateUserTypeResult2024-06-20James HeinrichNFno factor TF: 69-702019-11-16Sid & AndyNFno factor TF: 73-742018-08-04-anonymous-NFno factor TF: 72-732016-10-29Mark RoseC-LLA18E010238895BAD2016-02-23Mark RoseNFno factor TF: 1-632015-11-17endless_mikeC-LLA18E010238895BAD2015-10-09JCNFno factor TF: 71-722015-10-09JCNFno factor TF: 70-712015-08-04Carsten KossendeyNFno factor TF: 69-702014-07-07NRNFno factor TF: 68-692009-08-14Will WilkinsonC-LL270A20D70999B1152009-06-15Will WilkinsonNF-PM1B1=540000, B2=149850002007-10-29Team Prime RibNFno factor TF: 65-662007-10-29Team Prime RibNFno factor TF: 67-682007-10-29Team Prime RibNFno factor TF: 64-652007-10-29Team Prime RibNFno factor TF: 63-642007-10-29Team Prime RibNFno factor TF: 66-67