Which one of these numbers is not like the others? 21, 15, 6, 16, 27

asked Nov 21, 2021 62.4k views

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5 votes

15 is a prime number the other ones aren't

Nady answered Nov 23, 2021

by Nady

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7 votes

Answer:

Explanation:

Find the prime number. 15 is a prime, and the others aren't.

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