MathDB
Easy Number Theory

Source: INMO 2024/3

January 21, 2024
number theorymodular arithmeticDivisibility

Problem Statement

Let pp be an odd prime and a,b,ca,b,c be integers so that the integers a^{2023}+b^{2023},  b^{2024}+c^{2024},  a^{2025}+c^{2025} are divisible by pp. Prove that pp divides each of a,b,ca,b,c.   Proposed by Navilarekallu Tejaswi