Q: Is 509,258 a Prime Number?
A: No, 509,258 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 509258 can be evenly divided by 1 2 89 178 2,861 5,722 254,629 and 509,258, with no remainder.
Since 509,258 cannot be divided by just 1 and 509,258, it is not a prime number.