Q: Is 558,428 a Prime Number?
A: No, 558,428 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 558428 can be evenly divided by 1 2 4 13 26 52 10,739 21,478 42,956 139,607 279,214 and 558,428, with no remainder.
Since 558,428 cannot be divided by just 1 and 558,428, it is not a prime number.