Q: Is 857,838 a Prime Number?
A: No, 857,838 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 857838 can be evenly divided by 1 2 3 6 142,973 285,946 428,919 and 857,838, with no remainder.
Since 857,838 cannot be divided by just 1 and 857,838, it is not a prime number.