olemus
naturaalarv \(n>1\), mis ei ole algarv

Wiktionary:
(number theory) a (nonzero) natural number that is expressible as the product of two (or more) natural numbers other than itself and 1

näiteid
https://www.mathsisfun.com/prime-composite-number.html

https://www.splashlearn.com/math-vocabulary/algebra/composite-number

https://mathworld.wolfram.com/CompositeNumber.html