Q: Is 509,500 a Prime Number?
A: No, 509,500 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 509500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 500 1,019 2,038 4,076 5,095 10,190 20,380 25,475 50,950 101,900 127,375 254,750 and 509,500, with no remainder.
Since 509,500 cannot be divided by just 1 and 509,500, it is not a prime number.