Q: Is 8,122,420 a Composite Number?

Why is 8,122,420 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 8,122,420 can be evenly divided by 1 2 4 5 10 20 101 202 404 505 1,010 2,020 4,021 8,042 16,084 20,105 40,210 80,420 406,121 812,242 1,624,484 2,030,605 4,061,210 and 8,122,420, with no remainder.

Since 8,122,420 cannot be divided by just 1 and 8,122,420, 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).