Q: Is 21,513,421 a Composite Number?

 A: Yes, 21,513,421 is a composite number.

Why is 21,513,421 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 21,513,421 can be evenly divided by 1 797 26,993 and 21,513,421, with no remainder.

Since 21,513,421 cannot be divided by just 1 and 21,513,421, it is a composite number.


More Examples

Number 21,513,41921,513,42021,513,42221,513,423
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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