Q: Is 840,879 a Prime Number?
A: No, 840,879 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 840879 can be evenly divided by 1 3 9 13 39 117 7,187 21,561 64,683 93,431 280,293 and 840,879, with no remainder.
Since 840,879 cannot be divided by just 1 and 840,879, it is not a prime number.