Q: Is 509,806 a Prime Number?
A: No, 509,806 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 509806 can be evenly divided by 1 2 11 22 23,173 46,346 254,903 and 509,806, with no remainder.
Since 509,806 cannot be divided by just 1 and 509,806, it is not a prime number.