Q: Is 21,618 a Composite Number?

 A: Yes, 21,618 is a composite number.

Why is 21,618 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 21,618 can be evenly divided by 1 2 3 6 9 18 1,201 2,402 3,603 7,206 10,809 and 21,618, with no remainder.

Since 21,618 cannot be divided by just 1 and 21,618, it is a composite number.


More Examples

Number 21,61621,61721,61921,620
Composite? yesnoyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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