Q: Is 667,173 a Prime Number?
A: No, 667,173 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 667173 can be evenly divided by 1 3 13 39 17,107 51,321 222,391 and 667,173, with no remainder.
Since 667,173 cannot be divided by just 1 and 667,173, it is not a prime number.