factorization vs factoring

factorization and factoring both are nouns.

Word	Noun	Adjective	Verb	Adverb
factorization	Yes	No	No	No
factoring	Yes	No	No	No

As nouns, factorization and factoring are synonyms defined as:

factorization and factoring: (mathematics) the resolution of an expression into factors such that when multiplied together they give the original expression

Other synonyms of factorization include factorisation.

factorization (noun)	factoring (noun)
(mathematics) the resolution of an expression into factors such that when multiplied together they give the original expression	(mathematics) the resolution of an expression into factors such that when multiplied together they give the original expression