Q: Is 478,678 a Prime Number?
A: No, 478,678 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 478678 can be evenly divided by 1 2 137 274 1,747 3,494 239,339 and 478,678, with no remainder.
Since 478,678 cannot be divided by just 1 and 478,678, it is not a prime number.