Q: Is 397,409 a Prime Number?
A: No, 397,409 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 397409 can be evenly divided by 1 17 97 241 1,649 4,097 23,377 and 397,409, with no remainder.
Since 397,409 cannot be divided by just 1 and 397,409, it is not a prime number.