Q: Is 166,506 a Prime Number?
A: No, 166,506 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 166506 can be evenly divided by 1 2 3 6 27,751 55,502 83,253 and 166,506, with no remainder.
Since 166,506 cannot be divided by just 1 and 166,506, it is not a prime number.