Q: Is 509,279 a Prime Number?
A: No, 509,279 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 509279 can be evenly divided by 1 251 2,029 and 509,279, with no remainder.
Since 509,279 cannot be divided by just 1 and 509,279, it is not a prime number.