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 statusMnStatusDetails849542077Composite: 1 known prime factor FactoredFactorDigitsBitsDate38734600590008733478332271.72019-10-08 21:12:45 HistoryDateUserTypeResult2019-10-08Daniil TsarkovFFactor: 3873460059000873347833 / TF: 71-722019-10-08Daniil TsarkovNFno factor from 2^70 to 2^712019-10-07ATHNFno factor from 2^70 to 2^712016-11-02ramgeisNFno factor from 2^68 to 2^702015-08-31sasakiNFno factor from 2^67 to 2^682015-02-23sasakiNFno factor from 2^66 to 2^672012-04-07David CampeauNFno factor from 2^64 to 2^662010-07-19lindedNFno factor from 2^63 to 2^64