/ Thesaurus / H Synonyms of highest common factor Find synonyms for: Noun1. greatest common divisor, greatest common factor, highest common factor, common divisor, common factor, common measureusage: the largest integer that divides without remainder into a set of integersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language