Q: Is 521,021 a Composite Number?

 A: No, 521,021 is not a composite number; it is a prime number.

Why is 521,021 not 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 521,021 can be evenly divided by 1 and 521,021, with no remainder.

Since 521,021 can be divided by just 1 and 521,021, it is not a composite number.


More Examples

Number 521,019521,020521,022521,023
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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