Question

what is primary factor​

Answer 1

"Primary factor" is a well known term among mountain enthusiasts. In short, it represents the vertical drop between one mountain and a higher mountain. You will have to follow the highest possible route between the two mountains, and the lowest point on this route is often refered to as "the saddle".

Answer 2

Answer:

"Primary factor" is a well known term among mountain enthusiasts. In short, it represents the vertical drop between one mountain and a higher mountain