Q: Is 21,564 a Composite Number?

 A: Yes, 21,564 is a composite number.

Why is 21,564 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 21,564 can be evenly divided by 1 2 3 4 6 9 12 18 36 599 1,198 1,797 2,396 3,594 5,391 7,188 10,782 and 21,564, with no remainder.

Since 21,564 cannot be divided by just 1 and 21,564, it is a composite number.


More Examples

Number 21,56221,56321,56521,566
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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