Q: Is 398,425 a Prime Number?
A: No, 398,425 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 398425 can be evenly divided by 1 5 25 15,937 79,685 and 398,425, with no remainder.
Since 398,425 cannot be divided by just 1 and 398,425, it is not a prime number.