Question

What is the greatest common factor of 39 and 65

Answer 1

13 x 3 = 39
13 x 5 = 65
The GCF is 13

Answer 2

`39|3 \\13|13 \\ 1 \\\\ 39=3*13 \\\\ 65|5 \\ 13|13 \\1 \\\\ 65=5*13 \\\\ G.C.F(39;65)=13`