Q: Is 559,631 a Prime Number?
A: Yes, 559,631 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 559631 can be evenly divided by 1 and 559,631, with no remainder.
Since 559,631 can be divided by just 1 and 559,631, it is a prime number.