Q: Is 558,628 a Prime Number?
A: No, 558,628 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 558628 can be evenly divided by 1 2 4 7 14 28 71 142 281 284 497 562 994 1,124 1,967 1,988 3,934 7,868 19,951 39,902 79,804 139,657 279,314 and 558,628, with no remainder.
Since 558,628 cannot be divided by just 1 and 558,628, it is not a prime number.