Lottery mathematics Lottery mathematics Lottery mathematics is used to calculate probabilities of winning or losing a lottery game. It is based heavily on combinatorics, particularly the twelvefold way and combinations without replacement. In a typical 6/49 game, each player chooses six distinct numbers from a range of 1-49. If the six numbers on a ticket match the numbers drawn by the lottery, the ticket holder is a jackpot winner—regardless of the order of the numbers. The probability of this happening is 1 in 13,983,816. The chance of winning can be demonstrated as follows: The first number drawn has a 1 in 49
Illinois State Lottery generator, instead of using machines with numbered balls. Prior to this date, the selection of the winning numbers had been broadcast on WGN-TV for more than 25 years. Winners of a Mega Millions (on an Illinois Lottery ticket) or a Lotto jackpot must choose the cash option within 60 days of the drawing if the cash option is desired (a Powerball jackpot winner on an Illinois Lottery ticket has 60 days after claiming to make their choice). Purchasers must be at least 18 years of age to purchase an Illinois Lottery ticket. In December 2016, a "Chicago Tribune" investigation found