Q: Is 120,561 a Prime Number?
A: No, 120,561 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 120561 can be evenly divided by 1 3 7 21 5,741 17,223 40,187 and 120,561, with no remainder.
Since 120,561 cannot be divided by just 1 and 120,561, it is not a prime number.