SAVANT SYNDROME AND PRIME NUMBERS
Oliver Sacks (1985) reported that a pair of autistic twins had extraordinary number abilities and that they spontaneously generated huge prime numbers. Such abilities could contradict our understanding of human abilities. Sacks' report attracted widespread attention, and several researchers speculated theoretically. Unfortunately, most of the explanations in the literature are wrong. Here a correct explanation on prime number identification is provided. Fermat's little theorem is implemented in spreadsheet. Also, twenty years after the report, questionable aspects were found in it. Extreme abilities became dubious. One possibility for the less extreme abilities is incomplete trial division.
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