Question
Give the prime factorization of the following number:
1197
1197
✓
Answer
We will use the didvision method as shown below:
$\begin{array}{c|c}3&1197\\\hline3&399\\\hline7&113\\\hline19&19\\\hline&1\end{array}$
$\therefore1197=3\times3\times7\times19$
$=3^2\times7\times19$
$\begin{array}{c|c}3&1197\\\hline3&399\\\hline7&113\\\hline19&19\\\hline&1\end{array}$
$\therefore1197=3\times3\times7\times19$
$=3^2\times7\times19$
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