Q: Is 539,839 a Prime Number?
A: Yes, 539,839 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 539839 can be evenly divided by 1 and 539,839, with no remainder.
Since 539,839 can be divided by just 1 and 539,839, it is a prime number.