Q: Is 3,165,723 a Composite Number?

Why is 3,165,723 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 3,165,723 can be evenly divided by 1 3 9 11 17 19 27 33 51 57 81 99 121 153 171 187 209 297 323 363 459 513 561 627 891 969 1,089 1,377 1,539 1,683 1,881 2,057 2,299 2,907 3,267 3,553 5,049 5,643 6,171 6,897 8,721 9,801 10,659 15,147 16,929 18,513 20,691 26,163 31,977 39,083 55,539 62,073 95,931 117,249 166,617 186,219 287,793 351,747 1,055,241 and 3,165,723, with no remainder.

Since 3,165,723 cannot be divided by just 1 and 3,165,723, 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).