Q: Is 21,388 a Composite Number?

 A: Yes, 21,388 is a composite number.

Why is 21,388 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 21,388 can be evenly divided by 1 2 4 5,347 10,694 and 21,388, with no remainder.

Since 21,388 cannot be divided by just 1 and 21,388, it is a composite number.


More Examples

Number 21,38621,38721,38921,390
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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