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 statusMnStatusDetails673290509Composite: 1 known prime factor FactoredFactorDigitsBitsDate4903567639023010734712168.72018-04-13 18:21:50 HistoryDateUserTypeResult2018-04-13ConductorFFactor: 490356763902301073471 / TF: 68-692017-01-05NoPolarBearsHereNFno factor from 2^67 to 2^682014-07-11sasakiNFno factor from 2^66 to 2^672013-12-27sasakiNFno factor from 2^65 to 2^662012-01-25mmNFno factor from 2^64 to 2^652010-07-21Architects CubedNFno factor from 2^63 to 2^64