Question

Find the HCF of the following numbers by factor method.
(a) 7, 18
(b) 12, 30, 54
(c) 70, 14, 35



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Answer 1

Answer:

1 is the HCF of 7 and 18

6 is the HCF of 12,30 and 54

7 is the HCF of 70 , 14 and 35

Answer 2

Answer:

a. HCF Of 7, 18 is 1

7= 7×1

18= 2×3×3×1.

b. HCF Of 12, 30, 54 is 6

12= 2×2×3×1

30= 2×3×5×1

54= 2×3×3×3×1

c. HCF Of 70, 14, 35 is 7

70= 2×5×7×1

14 = 2×7×1

35= 5×7×1

Step-by-step explanation:

hope it will help you.