Q: Is 2,163,509 a Composite Number?

Why is 2,163,509 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 2,163,509 can be evenly divided by 1 and 2,163,509, with no remainder.

Since 2,163,509 can be divided by just 1 and 2,163,509, 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).