Question

What is the greatest common factor of 14 and 35

Answer 1

$14|2\\.\ 7|7\\.\ 1|\\\\14=2\times\boxed7\\\\35|5\\.\ 7|7\\.\ 1|\\\\35=5\times\fbox7\\\\LCD(14;\ 35)=\boxed7$

Answer 2

The greatest common factor for 14 and 35 is 7 because 7 is the only factor that is the  same with these numbers.
14:1,2,7,14
35:1,5,7,35
Hope I helped! :-)