The GCF of 28and 42 is

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asked Jul 2, 2020 126k views

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The GCF of 28and 42 is

Mathematics
middle-school

Oumar asked

by Oumar

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Answer:

$\large\boxed{GCF(28,\ 42)=14}$

Explanation:

$\begin{array}c28&2\\14&2\\7&7\\1\end{array}\\\\28=\boxed2\cdot2\cdot\boxed7\\\\\begin{array}c42&2\\21&3\\7&7\\1\end{array}\\\\42=\boxed2\cdot3\cdot\boxed7\\\\GCF(28,\ 42)=\boxed2\cdot\boxed7=14$

Mike Walsh answered Jul 7, 2020

by Mike Walsh

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