MathDB
Problems
Contests
National and Regional Contests
Italy Contests
ITAMO
1995 ITAMO
6
diophantine x^2 +615 = 2^y
diophantine x^2 +615 = 2^y
Source: 1995 ITAMO p6
January 28, 2020
Diophantine equation
diophantine
number theory
Problem Statement
Find all pairs of positive integers
x
,
y
x,y
x
,
y
such that
x
2
+
615
=
2
y
x^2 +615 = 2^y
x
2
+
615
=
2
y
Back to Problems
View on AoPS