Q: Is 9,175,815 a Composite Number?

Why is 9,175,815 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 9,175,815 can be evenly divided by 1 3 5 9 11 15 27 33 37 45 55 99 111 135 165 167 185 297 333 407 495 501 555 835 999 1,221 1,485 1,503 1,665 1,837 2,035 2,505 3,663 4,509 4,995 5,511 6,105 6,179 7,515 9,185 10,989 16,533 18,315 18,537 22,545 27,555 30,895 49,599 54,945 55,611 67,969 82,665 92,685 166,833 203,907 247,995 278,055 339,845 611,721 834,165 1,019,535 1,835,163 3,058,605 and 9,175,815, with no remainder.

Since 9,175,815 cannot be divided by just 1 and 9,175,815, 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).