Q: Is 478,427 a Prime Number?
A: Yes, 478,427 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 478427 can be evenly divided by 1 and 478,427, with no remainder.
Since 478,427 can be divided by just 1 and 478,427, it is a prime number.