factoring vs factorisation

factoring and factorisation both are nouns.

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

As nouns, factoring and factorisation are synonyms defined as:

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

Other synonyms of factoring include factorization.

factoring (noun)	factorisation (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