Question: what are the chances of winning the mega millions
Answer: 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 .