Q: Is 166,167 a Prime Number?
A: No, 166,167 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 166167 can be evenly divided by 1 3 9 37 111 333 499 1,497 4,491 18,463 55,389 and 166,167, with no remainder.
Since 166,167 cannot be divided by just 1 and 166,167, it is not a prime number.