Q: Is 27,128,421 a Composite Number?

Why is 27,128,421 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 27,128,421 can be evenly divided by 1 3 9 53 159 477 56,873 170,619 511,857 3,014,269 9,042,807 and 27,128,421, with no remainder.

Since 27,128,421 cannot be divided by just 1 and 27,128,421, 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).