Q: Is 120,543 a Prime Number?
A: No, 120,543 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 120543 can be evenly divided by 1 3 23 69 1,747 5,241 40,181 and 120,543, with no remainder.
Since 120,543 cannot be divided by just 1 and 120,543, it is not a prime number.