Q: Is 21,690 a Composite Number?

 A: Yes, 21,690 is a composite number.

Why is 21,690 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 21,690 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 45 90 241 482 723 1,205 1,446 2,169 2,410 3,615 4,338 7,230 10,845 and 21,690, with no remainder.

Since 21,690 cannot be divided by just 1 and 21,690, it is a composite number.


More Examples

Number 21,68821,68921,69121,692
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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