Q: Is 809,621 a Prime Number?
A: No, 809,621 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 809621 can be evenly divided by 1 163 4,967 and 809,621, with no remainder.
Since 809,621 cannot be divided by just 1 and 809,621, it is not a prime number.