Question

2. Find the HCF of the following numbers by prime factorisation method :
(1) 4, 10 (ii) 15, 20 (iii) 96, 128 (iv) 504, 980 (v) 144, 180
(vi) 1, 2, 3 (vii) 11, 13, 10 (vii) 12, 18, 24 (ix) 14, 49, 7 (x) 36, 27, 45​

Answer 1

1) 4, 10

4 = 2 x 2

10 = 2 x 5

HCF = 2

2) 15, 20

15 = 5 x 3

20 = 2 x 2 x 5

HCF = 5

Do the rest yourself

Answer 2

This is the answer

I hope this helps !!!!