MathDB
St.Peterburg, P4 Grade 11, 2013

Source:

April 17, 2014
number theory proposednumber theory

Problem Statement

Find all pairs (p,q)(p,q) of prime numbers, such that 2p−12p-1, 2q−12q-1, 2pq−12pq-1 are perfect square.
F. Petrov, A. Smirnov
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