Which of the following numbers is a prime number
Note
97 has no positive divisors other than 1 and itself, so it is prime; 91 and 51 are composite and 1 is neither prime nor composite.
Which of the following numbers is a prime number
97 has no positive divisors other than 1 and itself, so it is prime; 91 and 51 are composite and 1 is neither prime nor composite.