The Mega Millions jackpot has climbed to $1.15 billion ahead of Friday's drawing, making it the fifth-largest prize in the game's history. But how much you would actually take home could be less than half that,

As the Mega Millions jackpot continues to rise to higher and higher numbers, here is what you need to know ahead of the next drawing.

The odds of winning the jackpot are 1 in 302 million, according to lottery organizers, and the last Mega Millions jackpot was won in Texas on Sept. 10 for $810 million. Mega Millions is played in 45 states as well as Washington, D.C., and the U.S. Virgin Islands. Friday’s drawing is at 8 p.m.