Q: Is 166,667 a Prime Number?
A: Yes, 166,667 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 166667 can be evenly divided by 1 and 166,667, with no remainder.
Since 166,667 can be divided by just 1 and 166,667, it is a prime number.