Q: Is 318,500 a Composite Number?

Why is 318,500 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 318,500 can be evenly divided by 1 2 4 5 7 10 13 14 20 25 26 28 35 49 50 52 65 70 91 98 100 125 130 140 175 182 196 245 250 260 325 350 364 455 490 500 637 650 700 875 910 980 1,225 1,274 1,300 1,625 1,750 1,820 2,275 2,450 2,548 3,185 3,250 3,500 4,550 4,900 6,125 6,370 6,500 9,100 11,375 12,250 12,740 15,925 22,750 24,500 31,850 45,500 63,700 79,625 159,250 and 318,500, with no remainder.

Since 318,500 cannot be divided by just 1 and 318,500, 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).