2 years ago

The GCF of 28and 42 is

Mathematics

1 answer:

Tresset [83]2 years ago

6 0

Answer:

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

Step-by-step explanation:

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

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