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 statusMnStatusDetails902910269Composite: 1 known prime factor FactoredFactorDigitsBitsDate5251083645260587448392168.82016-11-22 09:33:46 HistoryDateUserTypeResult2025-04-24yuriy5-1NFno factor from 2^69 to 2^742016-11-22ConductorFFactor: 525108364526058744839 / TF: 68-692016-06-11ConductorNFno factor from 2^67 to 2^682015-01-31Gordon SpenceNFno factor from 2^66 to 2^672013-04-25ramgeisNFno factor from 2^65 to 2^662011-08-08lindeeNFno factor from 2^64 to 2^652010-06-26lindeeNFno factor from 2^63 to 2^64