Q: Is 15,993 a Prime Number?
A: No, 15,993 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 15993 can be evenly divided by 1 3 9 1,777 5,331 and 15,993, with no remainder.
Since 15,993 cannot be divided by just 1 and 15,993, it is not a prime number.