Question

Q.4 Find
1. Find he common factors of:
(a) 20 and 28 (b) 15 and 25​

Answer 1

common factor of 20 and 28 = 1,2,and4

common factor of 15 and 25 = 1 and 5

hope this helps

Answer 2

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Factors of 20=1,2,4,5,10,20

Factors of 28=1,2,4,7,14,28

Common factors =1,2,4.