Q: Is 397,550 a Prime Number?
A: No, 397,550 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 397550 can be evenly divided by 1 2 5 10 25 50 7,951 15,902 39,755 79,510 198,775 and 397,550, with no remainder.
Since 397,550 cannot be divided by just 1 and 397,550, it is not a prime number.