The critical for the question is 6. Will need 6 numbers to win the Powerball jackpot. Is you works essentially have decide 5 numbers between 1 and 59. Then you also have to choose 1 number between 1 and 39 - This is what they call the Powerball number. You have to match every one of the numbers can chose to win the big prize.
It is not expected to play using a pool, because some people would the