Q: Is 505,424 a Prime Number?
A: No, 505,424 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 505424 can be evenly divided by 1 2 4 8 16 31 62 124 248 496 1,019 2,038 4,076 8,152 16,304 31,589 63,178 126,356 252,712 and 505,424, with no remainder.
Since 505,424 cannot be divided by just 1 and 505,424, it is not a prime number.