Question

by using prime factorisation method what is the hcf of 144,180,198​

Answer 1

Answer:

18

Step-by-step explanation:

$144 = 2 \times 2 \times 2 \times 2 \times 3 \times 3 \\ 180 = 2 \times 2 \times 5 \times 3 \times 3 \\ 198 = 2 \times 3 \times 3 \times 11$