Q: Is 21,115 a Composite Number?

 A: Yes, 21,115 is a composite number.

Why is 21,115 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 21,115 can be evenly divided by 1 5 41 103 205 515 4,223 and 21,115, with no remainder.

Since 21,115 cannot be divided by just 1 and 21,115, it is a composite number.


More Examples

Number 21,11321,11421,11621,117
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 21,115:


Ask a Question