Q: Is 2,165,809 a Composite Number?
A: No, 2,165,809 is not a composite number; it is a prime number.
The number 2,165,809 can be evenly divided by 1 and 2,165,809, with no remainder.
Since 2,165,809 can be divided by just 1 and 2,165,809, it is not a composite number.