Q: Is 615,330 a Composite Number?

Why is 615,330 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 615,330 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 43 45 53 54 86 90 106 129 135 159 215 258 265 270 318 387 430 477 530 645 774 795 954 1,161 1,290 1,431 1,590 1,935 2,279 2,322 2,385 2,862 3,870 4,558 4,770 5,805 6,837 7,155 11,395 11,610 13,674 14,310 20,511 22,790 34,185 41,022 61,533 68,370 102,555 123,066 205,110 307,665 and 615,330, with no remainder.

Since 615,330 cannot be divided by just 1 and 615,330, 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).