Question

Worksheet 5
Find the HCF of the following numbers by factor method.
(c) 70, 14, 35
(b) 12, 30, 54
(a) 7, 18
numbers by prime factorisation method.​

Answer 1

Step-by-step explanation:

70=7*5*2

14=7*2

35=7*5

no. common in all equation is 7.

so 7 is the HCF

b)12=6*2

30=6*5

54=6*9

HCF is 6

a)7,18

7=7*1

18=18*1

HCF is 1

Answer 2

Answer:

HCF of

c)7

b) 6

a)1

(1 is a common factor for all)