Q: Is 20,805 a Composite Number?

 A: Yes, 20,805 is a composite number.

Why is 20,805 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 20,805 can be evenly divided by 1 3 5 15 19 57 73 95 219 285 365 1,095 1,387 4,161 6,935 and 20,805, with no remainder.

Since 20,805 cannot be divided by just 1 and 20,805, it is a composite number.


More Examples

Number 20,80320,80420,80620,807
Composite? yesyesyesno
  • 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 20,805:


Ask a Question