Q: Is 166,397 a Prime Number?
A: No, 166,397 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 166397 can be evenly divided by 1 7 11 77 2,161 15,127 23,771 and 166,397, with no remainder.
Since 166,397 cannot be divided by just 1 and 166,397, it is not a prime number.