Q: Is 478,508 a Prime Number?
A: No, 478,508 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 478508 can be evenly divided by 1 2 4 119,627 239,254 and 478,508, with no remainder.
Since 478,508 cannot be divided by just 1 and 478,508, it is not a prime number.