Q: Is 16,165,215 a Composite Number?

Why is 16,165,215 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 16,165,215 can be evenly divided by 1 3 5 9 11 15 17 33 45 51 55 85 99 113 153 165 187 255 289 339 495 561 565 765 867 935 1,017 1,243 1,445 1,683 1,695 1,921 2,601 2,805 3,179 3,729 4,335 5,085 5,763 6,215 8,415 9,537 9,605 11,187 13,005 15,895 17,289 18,645 21,131 28,611 28,815 32,657 47,685 55,935 63,393 86,445 97,971 105,655 143,055 163,285 190,179 293,913 316,965 359,227 489,855 950,895 1,077,681 1,469,565 1,796,135 3,233,043 5,388,405 and 16,165,215, with no remainder.

Since 16,165,215 cannot be divided by just 1 and 16,165,215, 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).