The greatest common factor is the highest number that can exactly divide 2 or more numbers.
The greatest common factor of 36 and 54 can be computed below
[tex]\begin{gathered} 36\rightarrow1,2,3,4,6,12,18,36 \\ 54\rightarrow1,2,3,6,9,18,27,54 \\ \text{Greatest common factor = 18} \end{gathered}[/tex]
