Q: Is 721,647 a Composite Number?

 A: Yes, 721,647 is a composite number.

Why is 721,647 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 721,647 can be evenly divided by 1 3 9 181 443 543 1,329 1,629 3,987 80,183 240,549 and 721,647, with no remainder.

Since 721,647 cannot be divided by just 1 and 721,647, it is a composite number.


More Examples

Number 721,645721,646721,648721,649
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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