4 ms·Looking at the equation mod 3 you get 1 + 2^N = 1 mod 3 or 2^N = 0 mod 3. Not possible.by twiceaday 14y agoLooking at the equation mod 3 you get 1 + 2^N = 1 mod 3 or 2^N = 0 mod 3. Not possible.