Q: Is 21,808 a Composite Number?

 A: Yes, 21,808 is a composite number.

Why is 21,808 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 21,808 can be evenly divided by 1 2 4 8 16 29 47 58 94 116 188 232 376 464 752 1,363 2,726 5,452 10,904 and 21,808, with no remainder.

Since 21,808 cannot be divided by just 1 and 21,808, it is a composite number.


More Examples

Number 21,80621,80721,80921,810
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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