Q: Is 21,330 a Composite Number?

 A: Yes, 21,330 is a composite number.

Why is 21,330 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 21,330 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 79 90 135 158 237 270 395 474 711 790 1,185 1,422 2,133 2,370 3,555 4,266 7,110 10,665 and 21,330, with no remainder.

Since 21,330 cannot be divided by just 1 and 21,330, it is a composite number.


More Examples

Number 21,32821,32921,33121,332
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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