Răspuns:
[tex]( {3}^{7} \times {5}^{12} )^{2} [/tex]
[tex]( {5}^{5} \times {15}^{7} )^{2} [/tex]
[tex](3125 \times {15}^{7} )^{2} [/tex]
[tex]3125 ^{2} \times {15}^{14} [/tex]