Q: Is 721,139 a Composite Number?

 A: No, 721,139 is not a composite number; it is a prime number.

Why is 721,139 not 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 721,139 can be evenly divided by 1 and 721,139, with no remainder.

Since 721,139 can be divided by just 1 and 721,139, it is not a composite number.


More Examples

Number 721,137721,138721,140721,141
Composite? yesyesyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 721,139:


Ask a Question