Fill in the missing xxx's. All the sevens are shown. The five figure number you're dividing into is represented by ABCDE.
The first cache which contains the co-ordinates for the final, can be found at :
N51º 27.(B+D)(A+E)(B+C)
W001º 25.(A+C-B)(D-C)(D-A)
Uvag vf ba gur trbpurpxre.