Q: Is 397,173 a Prime Number?
A: No, 397,173 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 397173 can be evenly divided by 1 3 7 21 18,913 56,739 132,391 and 397,173, with no remainder.
Since 397,173 cannot be divided by just 1 and 397,173, it is not a prime number.