Q: Is 505,742 a Prime Number?
A: No, 505,742 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 505742 can be evenly divided by 1 2 19 38 13,309 26,618 252,871 and 505,742, with no remainder.
Since 505,742 cannot be divided by just 1 and 505,742, it is not a prime number.