Q: Is 12,439 a Prime Number?
A: No, 12,439 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 12439 can be evenly divided by 1 7 1,777 and 12,439, with no remainder.
Since 12,439 cannot be divided by just 1 and 12,439, it is not a prime number.