MathDB
Minimum value

Source: JBMO 2008 Shortlist

October 17, 2012
modular arithmeticquadraticsnumber theory unsolvednumber theory

Problem Statement

Determine the minimum value of prime p>3p> 3 for which there is no natural number n>0n> 0 such that 2n+3n0(modp)2^n+3^n\equiv 0\pmod{p} .