Q: Is 15,943 a Prime Number?
A: No, 15,943 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 15943 can be evenly divided by 1 107 149 and 15,943, with no remainder.
Since 15,943 cannot be divided by just 1 and 15,943, it is not a prime number.