Q: Is 397,057 a Prime Number?
A: Yes, 397,057 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 397057 can be evenly divided by 1 and 397,057, with no remainder.
Since 397,057 can be divided by just 1 and 397,057, it is a prime number.