Q: Is 478,816 a Prime Number?
A: No, 478,816 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 478816 can be evenly divided by 1 2 4 8 13 16 26 32 52 104 208 416 1,151 2,302 4,604 9,208 14,963 18,416 29,926 36,832 59,852 119,704 239,408 and 478,816, with no remainder.
Since 478,816 cannot be divided by just 1 and 478,816, it is not a prime number.