Is 5 a prime number /extra words to make 20 characters

Yes

A prime number is a whole number that can be divided only by 1 and itself.
the only whole factors of 5 are 1 and 5 so,
Yes, 5 is a prime number.

Obviously yes becoz 5 cannot be divided by any natural number other than 1 & itself acc. 2 the definition of a prime number

A prime number is defined as a whole integer that can only be divided by itself or 1. So, yes, 5 is a prime number.

5 is a prime no as it satisfies the definition

Yes, 5 is a prime number;

i think so