Q: Is 667,871 a Prime Number?
A: No, 667,871 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 667871 can be evenly divided by 1 523 1,277 and 667,871, with no remainder.
Since 667,871 cannot be divided by just 1 and 667,871, it is not a prime number.