Q: Is 505,416 a Prime Number?
A: No, 505,416 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 505416 can be evenly divided by 1 2 3 4 6 8 12 24 21,059 42,118 63,177 84,236 126,354 168,472 252,708 and 505,416, with no remainder.
Since 505,416 cannot be divided by just 1 and 505,416, it is not a prime number.