The answer 27405 is displayed in the Number of combinations textbox. You can check the result with our nCr calculator. To avoid a situation where there are too many generated combinations we limited this combination generator to a specific maximum number of combinations 2000 by default.
There are an astonishing 15 million different groups of 6 states.
However be aware that 792 different combinations are already quite a lot to show. A lot of different ways posted by spacewrench at 254 AM on May 14 2017 25 favorites. 6-2 62. Hopefully this gets you started with combinations.