The 1 Billion NCAA bracket is open only to legal residents of the U.S. 21 years
The odds of picking a perfect bracket are 1 in 4,294,967,296
According to the short-form official rules, the odds of picking a perfect bracket are 1 in 4,294,967,296. How impressive? According to those short-form rules published on the Quicken Loans Facebook page, the contest is open to legal residents of the U.S. 21 years and older. No purchase is necessary. One entry per household. The grand prize will be payable in annual payments of $25 million for 40 years or as a one-time payment of $500 million. There also will be 20 first-place prizes of $100,000 each for the best brackets that are not perfect to use toward buying, refinancing or remodeling a home. -