Q: Is 855,791 a Prime Number?
A: No, 855,791 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 855791 can be evenly divided by 1 53 67 241 3,551 12,773 16,147 and 855,791, with no remainder.
Since 855,791 cannot be divided by just 1 and 855,791, it is not a prime number.