6 letters · 11 points in Scrabble
noun anything that contributes causally to a result
noun an abstract part of something
noun one of two or more integers that can be exactly divided into another integer
originFrom Middle French facteur, from Latin factor (“a doer, maker, performer”), from factus (“done or made”), perfect passive participle of faciō (“do, make”).
Etymology from Wiktionary, CC BY-SA 3.0