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 statusMnStatusDetails905312069Composite: 1 known prime factor FactoredFactorDigitsBitsDate5583522267746418832312168.92017-04-16 10:00:56 HistoryDateUserTypeResult2025-04-25yuriy5-1NFno factor from 2^69 to 2^742017-04-16ConductorFFactor: 558352226774641883231 / TF: 68-692016-06-20ConductorNFno factor from 2^67 to 2^682015-02-05Gordon SpenceNFno factor from 2^66 to 2^672013-04-25ramgeisNFno factor from 2^65 to 2^662011-11-06lindeeNFno factor from 2^64 to 2^652010-07-08lindedNFno factor from 2^63 to 2^64