Q: Is 161,397 a Prime Number?
A: No, 161,397 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 161397 can be evenly divided by 1 3 9 79 227 237 681 711 2,043 17,933 53,799 and 161,397, with no remainder.
Since 161,397 cannot be divided by just 1 and 161,397, it is not a prime number.