Q: Is 566,561 a Prime Number?
A: No, 566,561 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 566561 can be evenly divided by 1 19 29,819 and 566,561, with no remainder.
Since 566,561 cannot be divided by just 1 and 566,561, it is not a prime number.