The probability and odds can be taken into a mathematical perspective: The probability of winning the jackpot (through October 27, 2017) was 1:(75C5) x (15); that is: 75 ways for the first white ball times 74 ways for the second times 73 for the third times 72 for the fourth times 71 for the last white ball divided by 5 x 4 x 3 x 2 x 1, or 5!, and this number is then multiplied by 15 (15 possible numbers for the "Megaball"). Therefore, (75 x 74 x 73 x 72 x 71)/ (5 x 4 x 3 x 2 x 1) x 15 = 258,890,850, which means any combination of five white balls plus the Megaball has a 1:258,890,850 chance of winning the jackpot. Similarly, the odds for second prize are 1:(75C5) x (15/14) = 1: 18,492,204 chance of winning. The overall probability of winning any prize was 1 in 14.7. If there are no jackpot winners for a specific drawing, the jackpot will keep increasing, however, the odds will still remain the same.
Unclaimed prizes are kept by the lottery jurisdiction. If a Grand Prize goes unclaimed, the money must be returned to all lotteries in proportion to their sales for the draw run. The lotteries then distribute the money, based on their own jurisdiction's laws, to other lottery games or to their jurisdiction's general fund, or otherwise as required by law.
Generally, Powerball players do not have to choose cash or annuity unless they win a jackpot (then they usually have 60 days to choose.) Exceptions include Florida and Missouri; the 60-day "clock" starts with the drawing, so a jackpot winner who wishes to take the cash option needs to make immediate plans to claim their prize. New Jersey and Texas require the cash/annuity choice to be made when playing; in New Jersey, an annuity ticket can be changed to cash after winning, while in Texas, the choice is binding (when the cash option was introduced in 1997, all Powerball players had to make the choice when playing. This regulation was phased out by 1999.) All Powerball prizes must be claimed within a period ranging from 90 days to a year, depending on where the ticket was bought.
Wouldn't it be great if lotteries offered monster jackpots every single week? DinoLotto does exactly that, with an astonishing € 50.000.000 jackpot up for grabs in every draw. The gameplay is just like EuroMillions - pick 5 numbers from 50 plus 2 Dino Numbers from 12. The only really important difference is that the jackpot is usually much bigger! Draws are held in Paris at at 20:00 GMT, every Tuesday and Friday.

Jump up ^ "Mega Millions jackpot reaches record $500 million". Komo News. Sinclair Interactive Media. March 28, 2012. Retrieved September 4, 2013. The jackpot was originally announced at $476 million early Wednesday morning but rampant ticket sales boosted the estimated payout to the $500 million mark. Tuesday night's jackpot was $363 million, fed by weeks of drawings without a top winner. It has rolled 18 times since Marcia Adams of College Park won $72 million in the Jan. 24 drawing. A winner could get $19.2 million a year for 26 years or a single payment of $359 million. The previous record jackpot in the Mega Millions game was $390 million in 2007, split by two winners in New Jersey and Georgia.
If you still have doubts as to whether you can buy lottery tickets online, check out the Iraqi national that won $6.4 million in the Oregon State lottery despite not being a) a citizen, b) a resident and c) having never set foot in Oregon (or even the US for that matter!). Click the link on the text to read more about this watershed moment in buying lottery tickets online and the unsuccessful steps taken by the local government to try and block this payment. Despite all the efforts, the lottery winner had acted completely legally and was entitled to his millions. 
In January 2012, Mega Millions' rival Powerball was altered; among the changes were a price increase of $1 for each play, as a result, a base game costs $2, or $3 with the Power Play option. At the time, there were no plans to change the price of a Mega Millions play, with or without the Megaplier (see below for the 2017 format change that includes the base price for a Mega Millions play to be raised to $2.) The price increase for playing Powerball was a major factor in Louisiana deciding to pursue joining Mega Millions, as that state's lottery joined Mega Millions on November 16, 2011.
Lottery winners can choose to receive the money in either an annuity — annual allotments over 30 years — or to get it all at once in a single payment for a smaller amount. For example, the lump sum on the $502 million jackpot would be $301 million, according to lottery site USAMega.com. If a single winner takes the single payment, the federal tax withholding would be over $75 million. Then, there are state taxes too.

One funny story concerning the Powerball draw came in March, 2005 when 110 players matched all five winning numbers, minus the Powerball (22, 28, 32, 33 and 39). The Powerball lottery officials, who were understandably suspicious, paid out nearly $20 million. It soon came to light that a biscuit company from New York named Wonton Food had printed six numbers to go in their fortune cookies and these numbers really had proved to be lucky, as they were the five Powerball numbers, minus the Powerball! Unfortunately for the 110 players, they were just two off the Powerball number of 42, as the number 40 had been predicted in the fortune cookies.
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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