Q: Is 397,813 a Prime Number?
A: No, 397,813 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 397813 can be evenly divided by 1 13 71 431 923 5,603 30,601 and 397,813, with no remainder.
Since 397,813 cannot be divided by just 1 and 397,813, it is not a prime number.