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 statusMnStatusDetails248982523Composite: 1 known prime factor FactoredFactorDigitsBitsDate1687643989598756488012167.22016-10-21 03:00:50 HistoryDateUserTypeResult2016-10-21Mikhail E. GolosovFFactor: 168764398959875648801 / TF: 67-682015-12-14el groccoNFno factor from 2^66 to 2^672013-10-31tscNFno factor from 2^65 to 2^662011-07-23SaraNFno factor from 2^64 to 2^65