Q: Is 820,878 a Prime Number?
A: No, 820,878 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 820878 can be evenly divided by 1 2 3 6 136,813 273,626 410,439 and 820,878, with no remainder.
Since 820,878 cannot be divided by just 1 and 820,878, it is not a prime number.