Q: Is 878,138 a Prime Number?
A: No, 878,138 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 878138 can be evenly divided by 1 2 41 82 10,709 21,418 439,069 and 878,138, with no remainder.
Since 878,138 cannot be divided by just 1 and 878,138, it is not a prime number.