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 statusMnStatusDetails215119019Composite: 1 known prime factor FactoredFactorDigitsBitsDate415178951891449319143612375.12024-11-27 15:55:16 HistoryDateUserTypeResult2024-11-27SRBaseFFactor: 41517895189144931914361 / TF: 75-76*2023-05-20SRBaseNFno factor from 2^74 to 2^752022-01-10Michael HanschoNFno factor from 2^73 to 2^742021-02-06Michael HanschoNFno factor from 2^73 to 2^742020-10-27SRBaseNFno factor from 2^72 to 2^732020-06-13SRBaseNFno factor from 2^71 to 2^722018-06-06eziocmNFno factor from 2^70 to 2^712018-05-30eziocmNFno factor from 2^69 to 2^702017-12-21Lars FrickeNFno factor from 2^68 to 2^692016-09-07DerekNFno factor from 2^67 to 2^682015-10-19AndreNFno factor from 2^66 to 2^672012-07-07america64NFno factor from 2^65 to 2^662011-05-26sasaki3NFno factor from 2^64 to 2^65