Q: Is 515,839 a Prime Number?
A: Yes, 515,839 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 515839 can be evenly divided by 1 and 515,839, with no remainder.
Since 515,839 can be divided by just 1 and 515,839, it is a prime number.