MathDB

1

Part of 2010 Austria Beginners' Competition

Problems(1)

2010 not a^2-b^2 Austria Beginners' Competition 2010 p1

Source:

10/3/2021
Prove that 20102010 cannot be represented as the difference between two square numbers.
(B. Schmidt, Graz University of Technology)
number theoryPerfect Squaresdifference of squares