Q: Is 2,163,375 a Composite Number?

Why is 2,163,375 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 2,163,375 can be evenly divided by 1 3 5 9 15 25 27 45 75 125 135 225 375 641 675 1,125 1,923 3,205 3,375 5,769 9,615 16,025 17,307 28,845 48,075 80,125 86,535 144,225 240,375 432,675 721,125 and 2,163,375, with no remainder.

Since 2,163,375 cannot be divided by just 1 and 2,163,375, 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).