Q: Is 397,989 a Prime Number?
A: No, 397,989 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 397989 can be evenly divided by 1 3 9 44,221 132,663 and 397,989, with no remainder.
Since 397,989 cannot be divided by just 1 and 397,989, it is not a prime number.