Q: Is 3,664,815 a Composite Number?

Why is 3,664,815 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 3,664,815 can be evenly divided by 1 3 5 7 11 15 19 21 33 35 55 57 77 95 105 133 165 167 209 231 285 385 399 501 627 665 835 1,045 1,155 1,169 1,463 1,837 1,995 2,505 3,135 3,173 3,507 4,389 5,511 5,845 7,315 9,185 9,519 12,859 15,865 17,535 21,945 22,211 27,555 34,903 38,577 47,595 64,295 66,633 104,709 111,055 174,515 192,885 244,321 333,165 523,545 732,963 1,221,605 and 3,664,815, with no remainder.

Since 3,664,815 cannot be divided by just 1 and 3,664,815, 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).