Find the sum of all positive integers c such that for some prime a and a positive integer b,a^b+b^a=c^a.
tried taking the second term to the RHS and checked factorizing it. Than i got that a^b is equal to c-b or the remaining term.
Find the sum of all positive integers c such that for some prime a and a positive integer b,a^b+b^a=c^a.
tried taking the second term to the RHS and checked factorizing it. Than i got that a^b is equal to c-b or the remaining term.