Q: Is 2,128,217 a Composite Number?

Why is 2,128,217 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 2,128,217 can be evenly divided by 1 7 13 49 91 169 257 637 1,183 1,799 3,341 8,281 12,593 23,387 43,433 163,709 304,031 and 2,128,217, with no remainder.

Since 2,128,217 cannot be divided by just 1 and 2,128,217, 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).