Solve the following equations positive integers:
(i) a!+b!+c!=d!
(ii) a!+b!=25*c!
(iii)a!=b^2
For the first two one , i have no idea how to begin . But the third one I may use Bertrand's Postulate some where. Could anyone give me some ideas??
Solve the following equations positive integers:
(i) a!+b!+c!=d!
(ii) a!+b!=25*c!
(iii)a!=b^2
For the first two one , i have no idea how to begin . But the third one I may use Bertrand's Postulate some where. Could anyone give me some ideas??