Q: Is 478,308 a Prime Number?
A: No, 478,308 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 478308 can be evenly divided by 1 2 3 4 6 12 23 46 69 92 138 276 1,733 3,466 5,199 6,932 10,398 20,796 39,859 79,718 119,577 159,436 239,154 and 478,308, with no remainder.
Since 478,308 cannot be divided by just 1 and 478,308, it is not a prime number.