Q: Is 509,020 a Prime Number?
A: No, 509,020 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 509020 can be evenly divided by 1 2 4 5 10 20 31 62 124 155 310 620 821 1,642 3,284 4,105 8,210 16,420 25,451 50,902 101,804 127,255 254,510 and 509,020, with no remainder.
Since 509,020 cannot be divided by just 1 and 509,020, it is not a prime number.