Q: Is 878,863 a Prime Number?
A: Yes, 878,863 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 878863 can be evenly divided by 1 and 878,863, with no remainder.
Since 878,863 can be divided by just 1 and 878,863, it is a prime number.