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 statusMnStatusDetails272735497Composite: 1 known prime factor FactoredFactorDigitsBitsDate2805091520754096377112167.92016-10-27 21:27:33 HistoryDateUserTypeResult2016-10-27Mikhail E. GolosovFFactor: 280509152075409637711 / TF: 67-682016-01-06ANONYMOUSNFno factor from 2^66 to 2^672013-12-14Yan Ruimin ChinaNFno factor from 2^65 to 2^662011-09-02RichardNFno factor from 2^64 to 2^652010-03-29sasaki3NFno factor from 2^63 to 2^642010-03-29sasaki3NFno factor from 2^62 to 2^63