Q: Is 427,478 a Prime Number?
A: No, 427,478 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 427478 can be evenly divided by 1 2 23 46 9,293 18,586 213,739 and 427,478, with no remainder.
Since 427,478 cannot be divided by just 1 and 427,478, it is not a prime number.