Q: Is 1,128,543 a Composite Number?

Why is 1,128,543 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 1,128,543 can be evenly divided by 1 3 13 19 39 57 247 741 1,523 4,569 19,799 28,937 59,397 86,811 376,181 and 1,128,543, with no remainder.

Since 1,128,543 cannot be divided by just 1 and 1,128,543, 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).