\(8^8+2^{20}=\left(2^3\right)^8+2^{20}\)
\(=2^{24}+2^{20}\)
\(=2^{20}\left(2^4+1\right)\)
\(=2^{20}\left(16+1\right)=2^{20}\cdot17\)
Vì \(17⋮17\)
\(\Rightarrow2^{20}\cdot17⋮17\)
Vậy.......
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