Q: Is 165,231 a Prime Number?
A: No, 165,231 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 165231 can be evenly divided by 1 3 9 11 33 99 1,669 5,007 15,021 18,359 55,077 and 165,231, with no remainder.
Since 165,231 cannot be divided by just 1 and 165,231, it is not a prime number.