1. A machine-readable storage medium containing machine-executable instructions for performing a method of validating a provided Social Security Number having a Group Number purported to be associated with a person, the machine-executable instructions comprising: a first set of machine-executable instructions for receiving the provided Social Security Number; a second set of machine-executable instructions for predicting a set of statistically probable Social Security Numbers, wherein said second set of machine-executable instructions includes: machine-executable instructions for estimating an average birth rate for a state; and machine-executable instructions for using the average birth rate to estimate a frequency at which the Group Number changes; a third set of machine-executable instructions for comparing the provided Social Security Number to the set of statistically probable Social Security Numbers so as to determine a likelihood that the provided Social Security Number is legitimate; and a fourth set of machine-executable instructions for communicating the likelihood to a reviewer.