Q: Is 165 a Prime Number?
A: No, 165 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 165 can be evenly divided by 1 3 5 11 15 33 55 and 165, with no remainder.
Since 165 cannot be divided by just 1 and 165, it is not a prime number.