Q: Is 491,728 a Prime Number?
A: No, 491,728 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 491728 can be evenly divided by 1 2 4 8 16 73 146 292 421 584 842 1,168 1,684 3,368 6,736 30,733 61,466 122,932 245,864 and 491,728, with no remainder.
Since 491,728 cannot be divided by just 1 and 491,728, it is not a prime number.