Q: Is 397,505 a Prime Number?
A: No, 397,505 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 397505 can be evenly divided by 1 5 107 535 743 3,715 79,501 and 397,505, with no remainder.
Since 397,505 cannot be divided by just 1 and 397,505, it is not a prime number.