Is 422 a Prime Number?

To determine whether the number 422 is a prime number, it is necessary to check if it has any divisors besides 1 and itself. This involves checking if there are any other numbers that can divide 422 evenly, meaning without leaving a remainder. If such divisors exist, 422 is not a prime number; otherwise, it would be classified as prime.

To quickly check if 422 is a prime number:

Calculate the square root of 422

$\sqrt{422} = 20.54$

Prime numbers less than or equal to 20.54: 2, 3, 5, 7, 11, 13, 17, 19

• 422 is divisible by number: 2, 211.

Since 422 is divisible by a number 2, 211 other than 1 and itself, so it is not a prime number