What is the smallest prime number greater than 15?

17

Explanation

A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is called a composite number. The only factors of 17 are itself and 1, therefore it is a prime number. Since 16 is not a prime number, 17 is the least prime number greater than 15.

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