Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails248744597Composite: 1 known prime factorTrial Factored to 268TF target 279FactoredFactorDigitsBitsDate507001958497530711755.52014-05-30 18:34:23HistoryDateUserTypeResult2014-05-30TJAOIFFactor: 507001958497530712013-11-19Yan Ruimin ChinaNFno factor TF: 65-662011-07-23Lukin DmitryNFno factor TF: 64-65