Q: Is 317,221 a Prime Number?
A: No, 317,221 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 317221 can be evenly divided by 1 149 2,129 and 317,221, with no remainder.
Since 317,221 cannot be divided by just 1 and 317,221, it is not a prime number.