Q: Is 640,009 a Composite Number?

 A: No, 640,009 is not a composite number; it is a prime number.

Why is 640,009 not 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 640,009 can be evenly divided by 1 and 640,009, with no remainder.

Since 640,009 can be divided by just 1 and 640,009, it is not a composite number.


More Examples

Number 640,007640,008640,010640,011
Composite? noyesyesyes
  • 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 640,009:


Ask a Question