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 statusMnStatusDetails678839831Composite: 1 known prime factor FactoredFactorDigitsBitsDate5576943683226672362892168.92018-05-25 13:56:38 HistoryDateUserTypeResult2018-05-25ConductorFFactor: 557694368322667236289 / TF: 68-692016-10-24ANONYMOUSNFno factor from 2^67 to 2^682014-07-24sasakiNFno factor from 2^66 to 2^672014-01-11sasakiNFno factor from 2^65 to 2^66