When you figure in the obvious results, it would be much lessThere are 9,223,372,036,854,775,808(that’s 9.2 quintillion) possibilities when filling out brackets. Filling out 1 million would be a drop in the bucket compared to actual number of possibilities and far from guarantee a perfect bracket.
The absurd odds of a perfect NCAA bracket
The odds of filling out a perfect NCAA bracket are about 1 in 9,223,372,036,854,775,808. That’s 9.2 quintillion and 23 percent less than the chance of picking one of the 7.5 quintillion grains of sand on the planet we picked at random.www.ncaa.com