Q: Is 125,451,123 a Composite Number?

Why is 125,451,123 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 125,451,123 can be evenly divided by 1 3 7 21 49 147 173 519 1,211 3,633 4,933 8,477 14,799 25,431 34,531 103,593 241,717 725,151 853,409 2,560,227 5,973,863 17,921,589 41,817,041 and 125,451,123, with no remainder.

Since 125,451,123 cannot be divided by just 1 and 125,451,123, 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).