Question

a•b=700 (a, b)=5 a=? b=?

Answer 1

a*b=700
(a, b)=5=>a=5*m si b=5*n, (m, n)=1.
[tex]1) \left \{ {{m=1} \atop {n=5}} \right. =\ \textgreater \ \left \{ {{a=5*1=5} \atop {b=5*5=25}} \right. 2) \left \{ {{m=5} \atop {n=1}} \right. \left \{ {{a=5*5=25} \atop {b=5*1=5}} \right. =\ \textgreater \ (5; 25); (25; 5)[/tex]