banana40 banana40

11-12-2016
Mathematics

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Alicia wrote these numbers:2,9,15,21.which of Alicia numbers is not a composite number?

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garutachi garutachi

11-12-2016

A number can either be composite or prime. The only prime number that you listed here is 2, because the only factors of 2 are 1 and itself.

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Аноним Аноним

11-12-2016

2 is a prime number

not composite

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