Q: Is 558,644 a Prime Number?
A: No, 558,644 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 558644 can be evenly divided by 1 2 4 139,661 279,322 and 558,644, with no remainder.
Since 558,644 cannot be divided by just 1 and 558,644, it is not a prime number.