composite number

名词 n.

英文释义

名词 n.
  1. A (nonzero) natural number that is expressible as the product of two (or more) natural numbers other than itself and 1.
    — It is evident, moreover, that if a composite number terminates in any one of the digits 1, 3, 7, 9, no one of its factors can be the number 5, or any number ending in 5.

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