Question

12. The HCF of 144 and 198 is

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Answer 1

Answer:

18

Step-by-step explanation:

144 = 2 × 2 × 2 × 2 ×3 × 3

144 = 2⁴ × 32

198 = 2 × 3 × 3 × 11

198 = 2 × 32 × 11

So,

HCF of (144, 198) = 2 × 3 × 3

HCF of (144, 198) = 18

hope it helps you

Answer 2

Step-by-step explanation:

144)198(1

144

----------

51)144(2

102

------

42)51(1

42

------

9)42(4

36

--------

6)9(1

6

-------

3)6(2

6

---------

0

There for 3 is the highest common factor