Find all integers n for which n^2+6n-27 is a prime number? tell me how you did it.

For the above product to be a prime number, one of the factors must be a prime number and the other must be equal to 1.


The first factor is equal 1 for , but the other is euqal -11, which is not a prime number.


The second factor is equal 1 for and the first factor is equal 13, which is a prime number.

So, is a prime number for