Q: Is 8,439 a Prime Number?
A: No, 8,439 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 8439 can be evenly divided by 1 3 29 87 97 291 2,813 and 8,439, with no remainder.
Since 8,439 cannot be divided by just 1 and 8,439, it is not a prime number.