Q: Is 217,000 a Composite Number?

Why is 217,000 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 217,000 can be evenly divided by 1 2 4 5 7 8 10 14 20 25 28 31 35 40 50 56 62 70 100 124 125 140 155 175 200 217 248 250 280 310 350 434 500 620 700 775 868 875 1,000 1,085 1,240 1,400 1,550 1,736 1,750 2,170 3,100 3,500 3,875 4,340 5,425 6,200 7,000 7,750 8,680 10,850 15,500 21,700 27,125 31,000 43,400 54,250 108,500 and 217,000, with no remainder.

Since 217,000 cannot be divided by just 1 and 217,000, 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).