MAA messed up the order(n)
Source: 2017 USAJMO #1/USAMO #1
April 19, 2017
number theoryUSAJMOUSAMO2017 USAMOHi
Problem Statement
Prove that there are infinitely many distinct pairs of relatively prime integers and such that is divisible by .
Source: 2017 USAJMO #1/USAMO #1