fachtóir

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Irish

Etymology

From Latin factor.

Noun

fachtóir m (genitive singular fachtóra, nominative plural fachtóirí)

(mathematics, commerce, etc.) factor

Declension

Declension of fachtóir

Third declension

Bare forms:

Case	Singular	Plural
Nominative	fachtóir	fachtóirí
Vocative	a fhachtóir	a fhachtóirí
Genitive	fachtóra	fachtóirí
Dative	fachtóir	fachtóirí

Forms with the definite article:

Case	Singular	Plural
Nominative	an fachtóir	na fachtóirí
Genitive	an fhachtóra	na bhfachtóirí
Dative	leis an bhfachtóir don fhachtóir	leis na fachtóirí

Derived terms

fachtóir príomha (“prime factor”)
fachtóireacht (“factoring”)
fachtóirí coiteanna (“common factors”)
fachtóirigh (“factorize”)
fachtóiriú (“factorization, factorizing”)

Mutation

Irish mutation
Radical	Lenition	Eclipsis
fachtóir	fhachtóir	bhfachtóir
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading

Ó Dónaill, Niall (1977) “fachtóir”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN

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