Q: Is 12,397 a Prime Number?
A: No, 12,397 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 12397 can be evenly divided by 1 7 11 23 49 77 161 253 539 1,127 1,771 and 12,397, with no remainder.
Since 12,397 cannot be divided by just 1 and 12,397, it is not a prime number.