MathDB
VMEO IV p3/11

Source: VMEO IV

January 10, 2016
number theoryabstract algebra

Problem Statement

Find all positive integers a,b,ca,b,c satisfying (a,b)=(b,c)=(c,a)=1(a,b)=(b,c)=(c,a)=1 and {a2+bb2+cb2+cc2+a \begin{cases} a^2+b\mid b^2+c\\ b^2+c\mid c^2+a \end{cases} and none of prime divisors of a2+ba^2+b are congruent to 11 modulo 77