Q: Is 531,508 a Prime Number?
A: No, 531,508 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 531508 can be evenly divided by 1 2 4 89 178 356 1,493 2,986 5,972 132,877 265,754 and 531,508, with no remainder.
Since 531,508 cannot be divided by just 1 and 531,508, it is not a prime number.