Answer:
10,692
Step-by-step explanation:
GCF stands for Greatest Common Factor.
The way to find it is easy once you have the prime decomposition.
Search for common factors in the decomposition and take the least power, then multiply them all.
So, in our case, as the numbers are already broken down into prime factors
, we have

I do not understand ur language I speak English very well sorry I can't help you with your homework
=-30
-2*-3=6
-1*5=-5
6 x -5=-30