Q: Is 21,670 a Composite Number?

 A: Yes, 21,670 is a composite number.

Why is 21,670 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 21,670 can be evenly divided by 1 2 5 10 11 22 55 110 197 394 985 1,970 2,167 4,334 10,835 and 21,670, with no remainder.

Since 21,670 cannot be divided by just 1 and 21,670, it is a composite number.


More Examples

Number 21,66821,66921,67121,672
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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