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 statusMnStatusDetails678863413Composite: 1 known prime factor FactoredFactorDigitsBitsDate3793001603029652752392168.42018-05-25 21:02:35 HistoryDateUserTypeResult2018-05-25ConductorFFactor: 379300160302965275239 / TF: 68-692016-10-23ANONYMOUSNFno factor from 2^67 to 2^682014-07-29sasakiNFno factor from 2^66 to 2^672014-01-11sasakiNFno factor from 2^65 to 2^662012-01-28Mr-PlonkNFno factor from 2^64 to 2^65