Question

What is the gcf of 24,28

Answer 1

GCF stands for the greatest common factor.

Notice that,

`\begin{gathered} 24=6\cdot4=3\cdot2^3=3\cdot2\cdot2^2 \\ \text{and} \\ 28=7\cdot4=7\cdot2^2 \end{gathered}`

Therefore, the GCF of 24 and 28 is 4.