Question
Using prime factorisation, find the cube roots of:$2197$
✓
Answer
we have, $2197$
$\begin{array}{c|c}13 & 2197 \\ \hline13 & 169\\\hline13&13\\\hline&1 \end{array}$
Now, $2197 =13\times13\times13$
$\therefore\sqrt[3]{2197}=13$
$\begin{array}{c|c}13 & 2197 \\ \hline13 & 169\\\hline13&13\\\hline&1 \end{array}$
Now, $2197 =13\times13\times13$
$\therefore\sqrt[3]{2197}=13$
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