Q: Is 558,664 a Prime Number?
A: No, 558,664 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 558664 can be evenly divided by 1 2 4 8 69,833 139,666 279,332 and 558,664, with no remainder.
Since 558,664 cannot be divided by just 1 and 558,664, it is not a prime number.