Q: Is 857,001 a Prime Number?
A: No, 857,001 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 857001 can be evenly divided by 1 3 285,667 and 857,001, with no remainder.
Since 857,001 cannot be divided by just 1 and 857,001, it is not a prime number.