Q: Is 16,726,215 a Composite Number?

Why is 16,726,215 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 16,726,215 can be evenly divided by 1 3 5 11 15 17 33 51 55 67 85 89 165 187 201 255 267 335 445 561 737 935 979 1,005 1,139 1,335 1,513 2,211 2,805 2,937 3,417 3,685 4,539 4,895 5,695 5,963 7,565 11,055 12,529 14,685 16,643 17,085 17,889 22,695 29,815 37,587 49,929 62,645 65,593 83,215 89,445 101,371 187,935 196,779 249,645 304,113 327,965 506,855 983,895 1,115,081 1,520,565 3,345,243 5,575,405 and 16,726,215, with no remainder.

Since 16,726,215 cannot be divided by just 1 and 16,726,215, 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).