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 statusMnStatusDetails688337801Composite: 1 known prime factor FactoredFactorDigitsBitsDate4558418683451809521612168.62018-07-08 06:35:15 HistoryDateUserTypeResult2018-07-08ConductorFFactor: 455841868345180952161 / TF: 68-692016-10-29NoPolarBearsHereNFno factor from 2^67 to 2^682014-08-16sasakiNFno factor from 2^66 to 2^672014-02-22america64NFno factor from 2^65 to 2^662012-02-03albin_pouillesNFno factor from 2^64 to 2^652010-07-03Architects CubedNFno factor from 2^63 to 2^64