Question Number 223349 by cryptograph last updated on 21/Jul/25
$${let}\:{gcd}\left({n},{m}\right)=\mathrm{1}.\:{Determine}\:{gcd}\left(\mathrm{5}^{{m}} +\mathrm{7}^{{m}} ,\mathrm{5}^{{n}} +\mathrm{7}^{{n}} \right) \\ $$
let-gcd-n-m-1-Determine-gcd-5-m-7-m-5-n-7-n-