"Even if there are much more tickets sold in a particular drawing, your odds of winning a prize are the similar," the web site states.
The IRS can take up to 40 percent of lottery winnings.
The Powerball jackpot grew to an estimated $730 million right after no a single matched all five numbers and the red ball in the drawing on Saturday evening.
The odds of winning the Powerball jackpot is 1 in 292 million.