Indian Journal of Pure and Applied Mathematics, cilt.55, sa.1, ss.392-399, 2024 (SCI-Expanded)
.Let k be a fixed positive integer with k> 1. In this paper, using various elementary methods in number theory, we give criteria under which the equation x2+ (2 k- 1 ) y= kz has no positive integer solutions (x, y, z) with y∈ { 3 , 5 }.