# Keyword Analysis & Research: which is a prime number 13 14 15 16

## Frequently Asked Questions

Is 15 a prime number?

No, 15 is not a prime number. The number 15 is divisible by 1, 3, 5, 15. For a number to be classified as a prime number, it should have exactly two factors. Since 15 has more than two factors, i.e. 1, 3, 5, 15, it is not a prime number.

What are prime numbers?

What are Prime Numbers? Definition, Chart, Examples & Facts What Are Prime Numbers? What Are Prime Numbers? Prime numbers are numbers greater than 1. They only have two factors, 1 and the number itself.

Which of the following is the smallest prime number?

2 is the smallest prime number. 2 is the only prime number that is even. 2 and 3 are the only consecutive prime numbers. Except for 0 and 1, a whole number is either a prime number or a composite number. All odd numbers are not prime numbers. For example, 21, 39, etc.

What is the largest prime number with no divisors?

A prime number is a positive integer, excluding 1, with no divisors other than 1 and itself. According to Euclid's theorem there are infinitely many prime numbers, so there is no largest prime.