[tex]n = {9}^{65} + {9}^{64} + {9}^{63} \div (7 \times 13)[/tex]
[tex]n = {9}^{63} ( {9}^{2} + 9 + 1) \div 91[/tex]
[tex]n = {9}^{63} (81 + 9 + 1) \div 91[/tex]
[tex]n = {9}^{63} \times 91 \div 91[/tex]
[tex]n = {9}^{63} [/tex]
[tex]n = {( {3}^{2}) }^{63} = { ({3}^{63}) }^{2} = > p.p[/tex]
[tex]n = {9}^{21 \times 3} = { {(9}^{21} )}^{3} = > c.p[/tex]
