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 statusMnStatusDetails688355539Composite: 1 known prime factor FactoredFactorDigitsBitsDate4154882060514486309432168.52018-07-09 15:10:28 HistoryDateUserTypeResult2018-07-09ConductorFFactor: 415488206051448630943 / 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 2^662012-02-03tscNFno factor from 2^64 to 2^652010-07-18Architects CubedNFno factor from 2^63 to 2^64