Q: Is 505,426 a Prime Number?
A: No, 505,426 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 505426 can be evenly divided by 1 2 252,713 and 505,426, with no remainder.
Since 505,426 cannot be divided by just 1 and 505,426, it is not a prime number.