Q: Is 18,039 a Prime Number?
A: No, 18,039 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 18039 can be evenly divided by 1 3 7 21 859 2,577 6,013 and 18,039, with no remainder.
Since 18,039 cannot be divided by just 1 and 18,039, it is not a prime number.