Q: Is 21,125,233 a Composite Number?

Why is 21,125,233 not a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 21,125,233 can be evenly divided by 1 and 21,125,233, with no remainder.

Since 21,125,233 can be divided by just 1 and 21,125,233, it is not a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).