Q: Is 397,243 a Prime Number?
A: No, 397,243 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 397243 can be evenly divided by 1 7 11 49 67 77 121 469 539 737 847 3,283 5,159 5,929 8,107 36,113 56,749 and 397,243, with no remainder.
Since 397,243 cannot be divided by just 1 and 397,243, it is not a prime number.