Mega Millions plans to raise ticket price to $5. Are you more likely to win?

"Sales really start to ramp up around [jackpots of] $700 million, $800 million and they really go wild when they hit a billion dollars, so obviously there's an appetite out there for those eye-popping jackpots," Johnston said.

"With the new game changes, we're going to be creating more billionaires, because the jackpot is growing faster," said Johnston. "And with that embedded multiplier, we're going to be creating more millionaires each week, because there's more money going out."

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