Q: Is 509,988 a Prime Number?
A: No, 509,988 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 509988 can be evenly divided by 1 2 3 4 6 12 42,499 84,998 127,497 169,996 254,994 and 509,988, with no remainder.
Since 509,988 cannot be divided by just 1 and 509,988, it is not a prime number.