Q: Is 397,855 a Prime Number?
A: No, 397,855 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 397855 can be evenly divided by 1 5 47 235 1,693 8,465 79,571 and 397,855, with no remainder.
Since 397,855 cannot be divided by just 1 and 397,855, it is not a prime number.