Q: Is 509,679 a Prime Number?
A: No, 509,679 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 509679 can be evenly divided by 1 3 9 27 43 129 387 439 1,161 1,317 3,951 11,853 18,877 56,631 169,893 and 509,679, with no remainder.
Since 509,679 cannot be divided by just 1 and 509,679, it is not a prime number.