Q: Is 509,900 a Prime Number?
A: No, 509,900 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 509900 can be evenly divided by 1 2 4 5 10 20 25 50 100 5,099 10,198 20,396 25,495 50,990 101,980 127,475 254,950 and 509,900, with no remainder.
Since 509,900 cannot be divided by just 1 and 509,900, it is not a prime number.