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 statusMnStatusDetails231958109Composite: 1 known prime factor FactoredFactorDigitsBitsDate1616919235595283064312167.12016-09-25 14:32:02 HistoryDateUserTypeResult2016-09-25baseyFFactor: 161691923559528306431 / TF: 67-682015-11-18subgeniusNFno factor from 2^66 to 2^672013-09-27Chih-Wei HuangNFno factor from 2^65 to 2^662011-07-29sasaki3NFno factor from 2^64 to 2^65