Q: Is 505,131 a Prime Number?
A: No, 505,131 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 505131 can be evenly divided by 1 3 11 33 15,307 45,921 168,377 and 505,131, with no remainder.
Since 505,131 cannot be divided by just 1 and 505,131, it is not a prime number.