March Mathness — Choose Your Brackets Wisely via ESPN

9,233,372,036,854,775,808 = number of ways to fill out a 64-team March Madness bracket after all teams have been seeded.

147,573,952,589,676,412,928 = number of ways to fill out an expanded 68-team March Madness bracket.

How will you pick your winners?



Looking for a better method to fill out your brackets? Read up on Kenneth Massey’s criteria and system here:

Don’t forget to join in March Mathness by submitting your brackets to the Princeton University Press sponsored March Mathness group on ESPN:

Figures from Who’s #1?