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 statusMnStatusDetails800475691Composite: 1 known prime factor FactoredFactorDigitsBitsDate41758215433357147281532271.82019-12-08 21:29:57 HistoryDateUserTypeResult2019-12-08ConductorFFactor: 4175821543335714728153 / TF: 71-722019-12-08ConductorNFno factor from 2^70 to 2^712016-07-19ramgeisNFno factor from 2^69 to 2^702015-07-18Bruno VictalNFno factor from 2^68 to 2^692015-05-04sasakiNFno factor from 2^67 to 2^682014-11-19sasakiNFno factor from 2^66 to 2^672013-10-17america64NFno factor from 2^65 to 2^662010-09-29Architects CubedNFno factor from 2^64 to 2^652010-04-05Architects CubedNFno factor from 2^63 to 2^64