Q: Is 478,340 a Prime Number?
A: No, 478,340 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 478340 can be evenly divided by 1 2 4 5 10 20 23,917 47,834 95,668 119,585 239,170 and 478,340, with no remainder.
Since 478,340 cannot be divided by just 1 and 478,340, it is not a prime number.