**PLEASE HELP**
Which statement BEST describes how to find the greatest common factor (GCF) of 10x2 and 15x3?
A) Find the lowest shared factor of 10 and 15 and the lowest shared power between x2 and x3.
B) Find the greatest shared factor of 10 and 15 and the lowest shared power between x2 and x3.
C) Find the lowest shared factor of 10 and 15 and the greatest shared power between x2 and x3.
D) Find the greatest shared factor of 10 and 15 and the greatest shared power between x2 and x3.