Q: Is 143,000 a Composite Number?

Why is 143,000 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 143,000 can be evenly divided by 1 2 4 5 8 10 11 13 20 22 25 26 40 44 50 52 55 65 88 100 104 110 125 130 143 200 220 250 260 275 286 325 440 500 520 550 572 650 715 1,000 1,100 1,144 1,300 1,375 1,430 1,625 2,200 2,600 2,750 2,860 3,250 3,575 5,500 5,720 6,500 7,150 11,000 13,000 14,300 17,875 28,600 35,750 71,500 and 143,000, with no remainder.

Since 143,000 cannot be divided by just 1 and 143,000, 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).