Q: Is 558,638 a Prime Number?
A: No, 558,638 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 558638 can be evenly divided by 1 2 19 38 61 122 241 482 1,159 2,318 4,579 9,158 14,701 29,402 279,319 and 558,638, with no remainder.
Since 558,638 cannot be divided by just 1 and 558,638, it is not a prime number.