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 statusMnStatusDetails904517909Composite: 1 known prime factor FactoredFactorDigitsBitsDate5674851447992598346072168.92017-04-01 13:56:11 HistoryDateUserTypeResult2025-04-25yuriy5-1NFno factor from 2^69 to 2^742017-04-01ConductorFFactor: 567485144799259834607 / TF: 68-692016-06-17ConductorNFno factor from 2^67 to 2^682015-02-04Gordon SpenceNFno factor from 2^66 to 2^672011-11-30lindeeNFno factor from 2^65 to 2^662011-09-14lindedNFno factor from 2^64 to 2^652010-07-08lindedNFno factor from 2^63 to 2^64