Q: Is 856,942 a Prime Number?
A: No, 856,942 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 856942 can be evenly divided by 1 2 428,471 and 856,942, with no remainder.
Since 856,942 cannot be divided by just 1 and 856,942, it is not a prime number.