Q: Is 478,009 a Prime Number?
A: No, 478,009 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 478009 can be evenly divided by 1 7 23 161 2,969 20,783 68,287 and 478,009, with no remainder.
Since 478,009 cannot be divided by just 1 and 478,009, it is not a prime number.