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 statusMnStatusDetails277230979Composite: 1 known prime factor FactoredFactorDigitsBitsDate24474737346575533695292271.12019-07-18 16:38:14 HistoryDateUserTypeResult2019-07-18ConductorFFactor: 2447473734657553369529 / TF: 71-722019-07-18ConductorNFno factor from 2^70 to 2^712019-07-18ConductorNFno factor from 2^69 to 2^702018-07-09Mr-PlonkNFno factor from 2^68 to 2^692016-11-05arnieNFno factor from 2^67 to 2^682016-01-13johnsilverNFno factor from 2^66 to 2^672013-12-07subgeniusNFno factor from 2^65 to 2^662011-09-08mmNFno factor from 2^64 to 2^652010-04-04lindedNFno factor from 2^63 to 2^642010-04-04lindedNFno factor from 2^62 to 2^63