Q: Is 1,239,225 a Composite Number?

Why is 1,239,225 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 1,239,225 can be evenly divided by 1 3 5 13 15 25 31 39 41 65 75 93 123 155 195 205 325 403 465 533 615 775 975 1,025 1,209 1,271 1,599 2,015 2,325 2,665 3,075 3,813 6,045 6,355 7,995 10,075 13,325 16,523 19,065 30,225 31,775 39,975 49,569 82,615 95,325 247,845 413,075 and 1,239,225, with no remainder.

Since 1,239,225 cannot be divided by just 1 and 1,239,225, 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).