Q: Is 638,721 a Composite Number?

 A: Yes, 638,721 is a composite number.

Why is 638,721 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 638,721 can be evenly divided by 1 3 9 70,969 212,907 and 638,721, with no remainder.

Since 638,721 cannot be divided by just 1 and 638,721, it is a composite number.


More Examples

Number 638,719638,720638,722638,723
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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