WHAT ARE THE BIGGEST JACKPOTS EVER WON IN AMERICA? Mega Millions followed two years later, lengthened the odds of winning the top prize from 1 in 258.9 million to 1 in 302.6 million.
In 2015, the Powerball lottery lengthened the odds of winning from 1 in 175.2 million to 1 in 292.2 million. The credit for such big jackpots comes down to math - and more difficult odds.
WHY ARE LOTTERY JACKPOTS SO LARGE THESE DAYS?