Q: Is 5,555,500 a Composite Number?

Why is 5,555,500 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 5,555,500 can be evenly divided by 1 2 4 5 10 20 25 41 50 82 100 125 164 205 250 271 410 500 542 820 1,025 1,084 1,355 2,050 2,710 4,100 5,125 5,420 6,775 10,250 11,111 13,550 20,500 22,222 27,100 33,875 44,444 55,555 67,750 111,110 135,500 222,220 277,775 555,550 1,111,100 1,388,875 2,777,750 and 5,555,500, with no remainder.

Since 5,555,500 cannot be divided by just 1 and 5,555,500, 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).