Q: Is 505,489 a Prime Number?
A: No, 505,489 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 505489 can be evenly divided by 1 41 12,329 and 505,489, with no remainder.
Since 505,489 cannot be divided by just 1 and 505,489, it is not a prime number.