Exponent Range: to+ above minimum exponent Output results in HTML format Output results in text-only format Output results in plain-text format Show full details (current assignment, history, LL residues) Include full ECM history (every "NF-ECM" result, slow) Include ancient history logs (1997-2007, slow) Include expired assignments Show software version in historyGet statusMnStatusDetails248605759Composite: 1 known prime factor FactoredFactorDigitsBitsDate2595380131370859421912167.82016-10-20 12:43:57 HistoryDateUserTypeResult2016-10-20Mikhail E. GolosovFFactor: 259538013137085942191 / TF: 67-682015-12-13TrumpfPuurNFno factor from 2^66 to 2^672013-11-05Yan Ruimin ChinaNFno factor from 2^65 to 2^662011-07-23tscNFno factor from 2^64 to 2^65