Răspuns:
[tex] {5}^{36} = ( {5}^{18} )^{2} \: p.p.[/tex]
[tex] {7}^{100} = ( {7}^{50} )^{2} \: p.p.[/tex]
[tex]( {5}^{6} )^{7} = {5}^{42} = ( {5}^{21} )^{2} \: p.p.[/tex]
[tex] {3}^{24} = ( {3}^{12} )^{2} \: p.p.[/tex]
[tex] {11}^{15 + 13} = {11}^{28} = ( {11}^{14} )^{2} \: p.p.[/tex]
[tex] {13}^{78} = ( {13}^{39} )^{2} \: p.p.[/tex]
[tex] {19}^{25 + 7} = {19}^{32} = ( {19}^{16} )^{2} \: p.p.[/tex]
[tex] {2}^{72} = ( {2}^{36} )^{2} \: p.p.[/tex]
