Q: Is 9,671,805 a Composite Number?

Why is 9,671,805 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 9,671,805 can be evenly divided by 1 3 5 9 11 13 15 27 33 39 45 55 65 81 99 117 135 143 165 167 195 297 351 405 429 495 501 585 715 835 891 1,053 1,287 1,485 1,503 1,755 1,837 2,145 2,171 2,505 3,861 4,455 4,509 5,265 5,511 6,435 6,513 7,515 9,185 10,855 11,583 13,527 16,533 19,305 19,539 22,545 23,881 27,555 32,565 49,599 57,915 58,617 67,635 71,643 82,665 97,695 119,405 148,797 175,851 214,929 247,995 293,085 358,215 644,787 743,985 879,255 1,074,645 1,934,361 3,223,935 and 9,671,805, with no remainder.

Since 9,671,805 cannot be divided by just 1 and 9,671,805, 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).