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laiz [17]
4 years ago
8

Find the greatest common factor of 27 and 45 .

Mathematics
1 answer:
Bad White [126]4 years ago
4 0

Answer:

\large\boxed{GCF(27,\ 36)=9}

Step-by-step explanation:

\begin{array}{c|c}27&3\\9&3\\3&3\\1\end{array}\\\\27=\boxed3\cdot\boxed3\cdot3\\\\\begin{array}{c|c}45&3\\15&3\\5&5\\1\end{array}\\\\45=\boxed3\cdot\boxed3\cdot5\\\\GCF(27,\ 45)=\boxed3\cdot\boxed3=9

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