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 statusMnStatusDetails801590551Composite: 1 known prime factor FactoredFactorDigitsBitsDate22735804502970724331692270.92020-01-31 16:37:36 HistoryDateUserTypeResult2020-01-31ConductorFFactor: 2273580450297072433169 / TF: 70-712012-06-16James HeinrichNFno factor from 2^69 to 2^702012-04-12James HeinrichNFno factor from 2^66 to 2^692012-02-06tscNFno factor from 2^65 to 2^662012-02-06tscNFno factor from 2^64 to 2^65