Question

B. 1. Find all the common factors of:
(1) 12 and 15
(ii) 10 and 28
(iv) 21 and 49
(v) 20 and 50
(vii) 8, 12 and 15
(viii) 5. 15 and 25
(iii) 18 and 45
(vi) 16 and 40
(ix) 6, 10 and 12​

Answer 1

Answer:

1)Factors of 12 = 1, 2, 3, 4, 6, 12

Factors of 15 = 1, 3, 5, 15

ii) factors of 10 = 10, 5, 2, 1.

factors of 28 =28, 14, 7, 4, 2, 1.

IV) factors of 21= 1, 3, 7, 21

factors of 49= 1, 7, 49