Question

find the hcf
(d) 42,70​

Answer 1

Answer:

HCF of 42 and 70 is 14

Step-by-step explanation:

42 = 2 x 3 x 7

70 = 2 x 5 x 7

HCF of 42 and 70 = 2 x 7 = 14

2 and 7 is common in both 42 and 70

Answer 2

42,70

Factors of 42 = 1,2,3,6,7,14,21,42

Factors of 70 = 1,2,5,7,14,10,35,70

Common = 1,2,7,14

Highest = 14