Q: Is 805,221 a Prime Number?
A: No, 805,221 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 805221 can be evenly divided by 1 3 9 27 81 9,941 29,823 89,469 268,407 and 805,221, with no remainder.
Since 805,221 cannot be divided by just 1 and 805,221, it is not a prime number.