How to solve the problem “Compute 3^7 mod 7”

asked Jul 18, 2023 50.7k views

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Given: 3^7 mod 7

Therefore, to compute 3^7 we have:

$\begin{gathered} 3^1mod\text{ 7=3} \\ 3^2mod\text{ 7=2} \\ 3^7mod\text{ 7=3}^2*3^2*3^2*3 \end{gathered}$

And solve:

Joe Bobson answered Jul 23, 2023

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