Q: Is 509,839 a Prime Number?
A: No, 509,839 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 509839 can be evenly divided by 1 11 46,349 and 509,839, with no remainder.
Since 509,839 cannot be divided by just 1 and 509,839, it is not a prime number.