Powerball changed its game format on October 4th, 2015.
The new format uses five white balls from a pool of 69 and
a powerball from a pool of 26.
This change decreases the odds of winning the jackpot by
October 7th drawing was the first to use the new format.
October 2015 format change.
How the Game is Played
Powerball winning numbers are drawn every Wednesday and
Saturday at 10:59 PM US Eastern time.
Five white balls from a pool of 69 and one red ball (the
Powerball) from a pool of 26 are randomly picked.
The aim of the game is to match preselected number set(s)
to the winning set.
Different match combinations result in different payout