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 statusMnStatusDetails678089003Composite: 1 known prime factor FactoredFactorDigitsBitsDate4976403283382422913592168.82018-05-21 12:38:31 HistoryDateUserTypeResult2018-05-21ConductorFFactor: 497640328338242291359 / TF: 68-692016-11-28ANONYMOUSNFno factor from 2^67 to 2^682014-08-03sasakiNFno factor from 2^66 to 2^672014-01-10sasakiNFno factor from 2^65 to 2^662012-01-27Mr-PlonkNFno factor from 2^64 to 2^65