Q: Is 505,708 a Prime Number?
A: No, 505,708 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 505708 can be evenly divided by 1 2 4 7 14 28 18,061 36,122 72,244 126,427 252,854 and 505,708, with no remainder.
Since 505,708 cannot be divided by just 1 and 505,708, it is not a prime number.