Answer:
The GCF (HCF) of the numerical factors −12,−6,−4,−3,−2,−1,9,9,18,18,36,36 - 12 , - 6 , - 4 , - 3 , - 2 , - 1 , 9 , 9 , 18 , 18 , 36 , 36 is 12 .
Step-by-step explanation:
