Is 23 a Prime Number or is 23 a Composite Number?

There are many ways you can check whether a number is prime on your own. Some require memorization and others need only a few steps of math. A prime number is a whole number greater than 1 that is only divisible by 1 and itself. Then, we can stop this check when we reach the square root of the number of which we want to determine the primality (here the […]