Question Number 124769 by abderrahimltr last updated on 05/Dec/20
$${if}\:{m},{n}\:{are}\:{two}\:{relatively}\:{prime}\:{numbers}\left(\:{positive}\:{integers}\right) \\ $$$${find}\:{d} \\ $$$${st}\:{d}={gcd}\left(\mathrm{5}^{{m}} +\mathrm{7}^{{m}} ;\mathrm{5}^{{n}} +\mathrm{7}^{{n}} \right) \\ $$
Commented by abderrahimltr last updated on 05/Dec/20
$${help}\:!!! \\ $$