Q: Is 40,397 a Prime Number?
A: No, 40,397 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 40397 can be evenly divided by 1 7 29 199 203 1,393 5,771 and 40,397, with no remainder.
Since 40,397 cannot be divided by just 1 and 40,397, it is not a prime number.