Q: Is 99,990 a Composite Number?

Why is 99,990 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 99,990 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 101 110 165 198 202 303 330 495 505 606 909 990 1,010 1,111 1,515 1,818 2,222 3,030 3,333 4,545 5,555 6,666 9,090 9,999 11,110 16,665 19,998 33,330 49,995 and 99,990, with no remainder.

Since 99,990 cannot be divided by just 1 and 99,990, 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).