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Mega-Sena Lottery

The Mega-Sena is the largest lottery in Brazil, held by the Caixa Econômica Federal bank.

Drawings happen twice a week, on Wednesdays and Saturdays. The drawings consist of picking globes from 2 spinning spherical cages. They are picked in pairs, in order to form a 2 digit decimal number from 01 to 60.

The first cage has balls ranging from 0 to 6 for the first digit, and the other one has balls ranging from 0 to 9 to be used in the second digit. In the event of the number 00 showing up, it will be replaced by the number 60 for prize purposes. When 6 unique 2 digit numbers are drawn, the drawing is concluded.

Betting instructions and information are present on the back of the betting ticket. Contestants may bet in the range of 6 to 15 numbers, out of 60, and scoring 4, 5 or 6 points will grant prizes.

Bet prices escalate depending on how many possible groups of 6 numbers exist within the numbers chosen, so they vary between R$1.50 for 6 numbers (only 1 game possible) to R$7,507.50 for 15 numbers (5005 games possible). The chances of winning the biggest prize when placing a minimum bet are 1 in 50,063,860.