Q: Is 243,100 a Composite Number?

Why is 243,100 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 243,100 can be evenly divided by 1 2 4 5 10 11 13 17 20 22 25 26 34 44 50 52 55 65 68 85 100 110 130 143 170 187 220 221 260 275 286 325 340 374 425 442 550 572 650 715 748 850 884 935 1,100 1,105 1,300 1,430 1,700 1,870 2,210 2,431 2,860 3,575 3,740 4,420 4,675 4,862 5,525 7,150 9,350 9,724 11,050 12,155 14,300 18,700 22,100 24,310 48,620 60,775 121,550 and 243,100, with no remainder.

Since 243,100 cannot be divided by just 1 and 243,100, 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).