Q: Is 478,408 a Prime Number?
A: No, 478,408 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 478408 can be evenly divided by 1 2 4 7 8 14 28 56 8,543 17,086 34,172 59,801 68,344 119,602 239,204 and 478,408, with no remainder.
Since 478,408 cannot be divided by just 1 and 478,408, it is not a prime number.