Q: Is 721,755 a Composite Number?

 A: Yes, 721,755 is a composite number.

Why is 721,755 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 721,755 can be evenly divided by 1 3 5 9 15 43 45 129 215 373 387 645 1,119 1,865 1,935 3,357 5,595 16,039 16,785 48,117 80,195 144,351 240,585 and 721,755, with no remainder.

Since 721,755 cannot be divided by just 1 and 721,755, it is a composite number.


More Examples

Number 721,753721,754721,756721,757
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 721,755:


Ask a Question