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 statusMnStatusDetails246970877Composite: 1 known prime factor FactoredFactorDigitsBitsDate4913323547277598576872168.72018-05-22 17:20:58 HistoryDateUserTypeResult2025-03-14James HeinrichFFactor: 491332354727759857687 / TF: 68-702018-05-22Alex_soldierFFactor: 491332354727759857687 / TF: 68-69*2016-10-17sasaki3NFno factor from 2^67 to 2^682015-12-11tscNFno factor from 2^66 to 2^672013-10-31RichardNFno factor from 2^65 to 2^662011-07-20carlos56NFno factor from 2^64 to 2^65