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  • Find the common factors of : a 20 and 28 b 15 and 25 c 35 and 50 d 56 and 120

1. Find the common factors of :
(a) 20 and 28      (b) 15 and 25      (c) 35 and 50      (d) 56 and 120

Answers (1)

best_answer

 

(a) 20 and 28

Factors of 20=1,2,4,5,10,20 

Factors of 28=1,2,4,7,14,28 

Common factors =1,2,4 

 

 (b) 15 and 25

Factors of 15=1,3,5,15 

Factors of 25=1,5,25 

Common factors =1,5

 

(c) 35 and 50   

Factors of 35=1,5,7,35 

Factors of 50=1,2,5,10,25,50 

Common factors =1,5

 

(d) 56 and 120

Factors of 56=1,2,4,7,8,14,28,56 

Factors of 120=1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120

 Common factors =1,2,4,8

Posted by

Pankaj Sanodiya

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