The odds of winning the Mega Millions jackpot are 1 in 302.6 million, making them the highest odds of any other state or multi-state lottery game ever played in the United States. However, this means the jackpot can grow to surpass the billion-dollar mark with relative ease. The overall odds of winning any prize are 1 in 24, which is slightly better than that of Powerball, which are 1 in 24.87.
For that reason, Brent Kramer, a research associate at the Fiscal Policy Institute, a nonprofit research and policy organization, and others call lotteries a “regressive tax” by offering the poor a rich fantasy. “If the promised return is by far illusory — and it is — it would be hard to argue that those purchases do not constitute a tax on those who believe the state’s hype,” Kramer wrote in a 2010 paper. In the event that someone did win the latest $700 million Powerball lottery, Bernal says it will be “the single biggest redistribution of wealth” since, well, the January 2016 Powerball.
On May 18, 2013, the world's largest one-ticket jackpot, an annuity of approximately $590.5 million ($620 million today), was won by a Powerball ticket sold in Zephyrhills, Florida.[33] On June 5, Florida Lottery officials announced the winner: Gloria C. MacKenzie, 84, who purchased the "quick pick" ticket at a Publix supermarket.[34] MacKenzie chose the cash option of approximately $370.8 million, before Federal withholding; Florida does not have a state income tax.[34]
The final 5/56 + 1/46 Mega Millions drawing was held on October 18, 2013; that night's jackpot of $37 million was not won. The first drawing under the revised 5/75 + 1/15 format—which saw the jackpot estimate "leap" to $55 million due to the change in the annuity structure—occurred on October 22, 2013. The minimum jackpot was then $15 million, with rollovers of at least $5 million. Second prize (5+0) became $1 million cash. In the revised format, players chose 5 of 75 white ball numbers, and the "Gold Ball" number out of 15.
Presumably due to their experience with the Power Play option for Powerball, all 23 lotteries joining Mega Millions on January 31, 2010 immediately offered Megaplier to their players. The Megaplier continues to be drawn by Texas Lottery computers, as California does not offer the multiplier. Montana, offering Powerball before the expansion date, became the 24th lottery to offer the Megaplier, followed by Nebraska (the 25th), Oregon (the 26th), Arizona (as the 27th) and Maine (as the 28th lottery to offer the Megaplier option). After Colorado and South Dakota joined Mega Millions, this raised the number of lotteries offering the Megaplier to 37.
In spite of the huge popularity of this lottery draw game it is still an unknown to many that you can buy Powerball tickets online, whether you are in the US or not. To be clear, this doesn’t even mean that you have to be a citizen of the US either. No citizenship & not based in the US? You can still play powerball online and buy lottery tickets online for a number of different lottery draw games. 
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