Q: Is 398,007 a Prime Number?
A: No, 398,007 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 398007 can be evenly divided by 1 3 9 27 14,741 44,223 132,669 and 398,007, with no remainder.
Since 398,007 cannot be divided by just 1 and 398,007, it is not a prime number.