Q: Is 505,442 a Prime Number?
A: No, 505,442 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 505442 can be evenly divided by 1 2 7 14 79 158 457 553 914 1,106 3,199 6,398 36,103 72,206 252,721 and 505,442, with no remainder.
Since 505,442 cannot be divided by just 1 and 505,442, it is not a prime number.