Q: Is 1,128,205 a Composite Number?

Why is 1,128,205 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 1,128,205 can be evenly divided by 1 5 13 17 65 85 221 1,021 1,105 5,105 13,273 17,357 66,365 86,785 225,641 and 1,128,205, with no remainder.

Since 1,128,205 cannot be divided by just 1 and 1,128,205, 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).