Q: Is 218,397 a Prime Number?
A: No, 218,397 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 218397 can be evenly divided by 1 3 43 129 1,693 5,079 72,799 and 218,397, with no remainder.
Since 218,397 cannot be divided by just 1 and 218,397, it is not a prime number.