[PDF] Number theory problems - UW-Math Wiki
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Problems. 1. (Putnam 2021 A1) How many positive integers N satisfy all of the following three condi- tions? (a) N is divisible by 2020.
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Problems. 1. (Putnam 2021 A1) How many positive integers N satisfy all of the following three condi- tions? (a) N is divisible by 2020.