Q: Is 878,125 a Prime Number?
A: No, 878,125 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 878125 can be evenly divided by 1 5 25 125 281 625 1,405 3,125 7,025 35,125 175,625 and 878,125, with no remainder.
Since 878,125 cannot be divided by just 1 and 878,125, it is not a prime number.