Q: Is 2,129,551 a Composite Number?

Why is 2,129,551 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 2,129,551 can be evenly divided by 1 and 2,129,551, with no remainder.

Since 2,129,551 can be divided by just 1 and 2,129,551, 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).