Q: Is 2,128,491 a Composite Number?

Why is 2,128,491 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 2,128,491 can be evenly divided by 1 3 9 27 31 93 279 837 2,543 7,629 22,887 68,661 78,833 236,499 709,497 and 2,128,491, with no remainder.

Since 2,128,491 cannot be divided by just 1 and 2,128,491, it is 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).