Q: Is 558,728 a Prime Number?
A: No, 558,728 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 558728 can be evenly divided by 1 2 4 8 211 331 422 662 844 1,324 1,688 2,648 69,841 139,682 279,364 and 558,728, with no remainder.
Since 558,728 cannot be divided by just 1 and 558,728, it is not a prime number.