Q: Is 858,871 a Prime Number?
A: No, 858,871 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 858871 can be evenly divided by 1 13 66,067 and 858,871, with no remainder.
Since 858,871 cannot be divided by just 1 and 858,871, it is not a prime number.