Q: Is 99,900 a Composite Number?

Why is 99,900 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 99,900 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 37 45 50 54 60 74 75 90 100 108 111 135 148 150 180 185 222 225 270 300 333 370 444 450 540 555 666 675 740 900 925 999 1,110 1,332 1,350 1,665 1,850 1,998 2,220 2,700 2,775 3,330 3,700 3,996 4,995 5,550 6,660 8,325 9,990 11,100 16,650 19,980 24,975 33,300 49,950 and 99,900, with no remainder.

Since 99,900 cannot be divided by just 1 and 99,900, 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).