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 statusMnStatusDetails999007831Composite: 2 known prime factors FactoredFactorDigitsBitsDate216692650745451671754.32008-06-11 18:40:3232635288600282458891961.52015-12-18 10:19:19 HistoryDateUserTypeResult2025-03-30yuriy5-1NFno factor from 2^71 to 2^722025-03-09mikrNFno factor from 2^70 to 2^712025-02-05stepanovnNFno factor from 2^69 to 2^702022-07-15ViliamFFFactor: 3263528860028245889 / TF: 1-682022-07-15ViliamFFFactor: 21669265074545167 / TF: 1-682022-06-26LordJuliusNFno factor from 2^65 to 2^672021-11-23ViliamFNFno factor from 2^67 to 2^692015-12-18ConductorFFactor: 3263528860028245889 / TF: 1-65