Q: Is 558,427 a Prime Number?
A: Yes, 558,427 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 558427 can be evenly divided by 1 and 558,427, with no remainder.
Since 558,427 can be divided by just 1 and 558,427, it is a prime number.