Q: Is 165,993 a Prime Number?
A: No, 165,993 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 165993 can be evenly divided by 1 3 55,331 and 165,993, with no remainder.
Since 165,993 cannot be divided by just 1 and 165,993, it is not a prime number.