Q: Is 128,125 a Composite Number?

Why is 128,125 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 128,125 can be evenly divided by 1 5 25 41 125 205 625 1,025 3,125 5,125 25,625 and 128,125, with no remainder.

Since 128,125 cannot be divided by just 1 and 128,125, 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).