English
factorable
From factor + -able.
A compound of factor + -able
Proto-Indo-European *dʰeh₁k-
…
Latin faciō ‘to do, make’
Latin factor ‘doer, maker’
Anglo-Norman factour
Middle English factour
English factor
Today it means
adj Capable of being factored. For integers synonyms are composite, non-prime.
Language periods are conventional ranges, not dates for this word.
Etymograph / factorable