Q: Is 2,122,720 a Composite Number?

Why is 2,122,720 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 2,122,720 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 13,267 26,534 53,068 66,335 106,136 132,670 212,272 265,340 424,544 530,680 1,061,360 and 2,122,720, with no remainder.

Since 2,122,720 cannot be divided by just 1 and 2,122,720, 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).