Q: Is 398 a Prime Number?
A: No, 398 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 398 can be evenly divided by 1 2 199 and 398, with no remainder.
Since 398 cannot be divided by just 1 and 398, it is not a prime number.