No one matched all six numbers in the Aug. 27 drawing so the prize will increase to an estimated $950 million with a cash option of $428.9 million.

The Powerball jackpot is closing on the billion-dollar mark.

No one matched all six numbers in the Wednesday, Aug. 27 drawing so the prize will increase to an estimated $950 million with a cash option of $428.9 million, according to the Powerball website . The jackpot could top $1 billion before Saturday's drawing if ticket sales exceed current expectations.

The jackpot will be the sixth largest Powerball ever and the 13th largest in U.S. lottery history (see the lists below).

It has been 38 drawings since the jackpot was last won on May 31 when a California lottery player won $204.5 million Powerball jackpot.

Six new Powerball million

See Full Page