Q: Is 21,575 a Composite Number?

 A: Yes, 21,575 is a composite number.

Why is 21,575 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 21,575 can be evenly divided by 1 5 25 863 4,315 and 21,575, with no remainder.

Since 21,575 cannot be divided by just 1 and 21,575, it is a composite number.


More Examples

Number 21,57321,57421,57621,577
Composite? yesyesyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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