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 statusMnStatusDetails152814721Composite: 1 known prime factor FactoredFactorDigitsBitsDate44319675266988047282812271.92017-05-19 01:32:43 HistoryDateUserTypeResult2017-05-19Sergey NosovFFactor: 4431967526698804728281 / TF: 70-72*2017-04-21La GüiraNFno factor from 2^69 to 2^702017-03-07XolotlNFno factor from 2^68 to 2^692016-04-24rmaximusNFno factor from 2^67 to 2^682015-04-01HBendtzNFno factor from 2^66 to 2^672013-01-24nextPrimeNFno factor from 2^65 to 2^662011-01-17carlos56NFno factor from 2^64 to 2^652010-07-021997rj7NFno factor from 2^63 to 2^64