Q: Is 509,236 a Prime Number?
A: No, 509,236 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 509236 can be evenly divided by 1 2 4 7 13 14 26 28 52 91 182 364 1,399 2,798 5,596 9,793 18,187 19,586 36,374 39,172 72,748 127,309 254,618 and 509,236, with no remainder.
Since 509,236 cannot be divided by just 1 and 509,236, it is not a prime number.