Q: Is 338,591 a Prime Number?
A: No, 338,591 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 338591 can be evenly divided by 1 11 30,781 and 338,591, with no remainder.
Since 338,591 cannot be divided by just 1 and 338,591, it is not a prime number.