Q: Is 685,442 a Prime Number?
A: No, 685,442 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 685442 can be evenly divided by 1 2 107 214 3,203 6,406 342,721 and 685,442, with no remainder.
Since 685,442 cannot be divided by just 1 and 685,442, it is not a prime number.