<P> If a jackpot prize is not claimed within the respective jurisdiction's time limit, each of the 46 Mega Millions members get back the money they contributed to that jackpot . Each of the 46 lotteries have rules in regards to unclaimed prizes; most Mega Millions members set aside unclaimed winnings for educational purposes . </P> <P> In 2007, a $31 million prize went unclaimed in New York . Many prizes of $250,000 each have been unclaimed, including several in Michigan for 2007 drawings . </P> <P> Mega Millions winners have either 180 days (California non-jackpot prizes only) or one year to claim prizes, including the jackpot (although some Mega Millions winners lose the right to collect a jackpot in cash if they wait more than 60 days after the drawing). </P> <P> The minimum age to purchase a Mega Millions ticket is 18, except in Arizona, Iowa and Louisiana, where the minimum is 21, and Nebraska; its minimum is 19 . Generally (an exception is Virginia), minors can win on tickets received as gifts; the rules according to each Mega Millions member vary for minors receiving prizes . </P>

How long are mega millions tickets good for
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