Question

Determinati numerele naturale a si b, stiind ca:(a,b)=12 si axb=2160. Spuneti-mi raspunsul urgent va rog.

Answer 1

(a,b)=15 =>  a=12x  b=12y   
(x,y)=1
12x.12y=2160
144(x.y)=2160
x.y=15
x=1=>a=12
y=15=>b=180
x=3=>a=36
y=5=>b=60
S={(12,180),(180,12),(36,60),(60,36)}