Q: Is 505,105 a Prime Number?
A: No, 505,105 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 505105 can be evenly divided by 1 5 101,021 and 505,105, with no remainder.
Since 505,105 cannot be divided by just 1 and 505,105, it is not a prime number.