Q: Is 21,511 a Composite Number?

 A: Yes, 21,511 is a composite number.

Why is 21,511 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 21,511 can be evenly divided by 1 7 49 439 3,073 and 21,511, with no remainder.

Since 21,511 cannot be divided by just 1 and 21,511, it is a composite number.


More Examples

Number 21,50921,51021,51221,513
Composite? yesyesyesyes
  • 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 21,511:


Ask a Question