Q: Is 397,315 a Prime Number?
A: No, 397,315 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 397315 can be evenly divided by 1 5 229 347 1,145 1,735 79,463 and 397,315, with no remainder.
Since 397,315 cannot be divided by just 1 and 397,315, it is not a prime number.