Q: Is 539,959 a Prime Number?
A: No, 539,959 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 539959 can be evenly divided by 1 7 77,137 and 539,959, with no remainder.
Since 539,959 cannot be divided by just 1 and 539,959, it is not a prime number.