Q: Is 856,711 a Prime Number?
A: Yes, 856,711 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 856711 can be evenly divided by 1 and 856,711, with no remainder.
Since 856,711 can be divided by just 1 and 856,711, it is a prime number.