Q: Is 397,109 a Prime Number?
A: No, 397,109 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 397109 can be evenly divided by 1 67 5,927 and 397,109, with no remainder.
Since 397,109 cannot be divided by just 1 and 397,109, it is not a prime number.