Find all integers a, b, c where c is a prime number such that a^b + c
and a^b - c
are square numbers.
Source: Pedro Henrique O. Pantoja, Brazil
(In reply to re(2): solution (spoiler)
Not really. A problem like this shouldn't really turn on whether one's definition of a square number includes 0 or not.
Posted by broll
on 2018-02-03 11:11:25