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 statusMnStatusDetails171755723Composite: 1 known prime factor FactoredFactorDigitsBitsDate16289796602086347528172270.52018-03-08 00:36:18 HistoryDateUserTypeResult2018-03-08Daniil TsarkovFFactor: 1628979660208634752817 / TF: 70-712016-10-22Mihai PredaNFno factor from 2^69 to 2^702016-09-10Adam BuranNFno factor from 2^68 to 2^692016-04-24XZTNFno factor from 2^67 to 2^682015-06-19S. EichsteiningerNFno factor from 2^66 to 2^672013-04-05RivarezNFno factor from 2^65 to 2^662011-02-26sasaki3NFno factor from 2^64 to 2^652010-07-11Charles A. MorrisNFno factor from 2^63 to 2^64