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Q.


What is the HCF of 170 and 238?
 


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a

35

b

37

c

34

d

31  

answer is C.

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Detailed Solution

We have to find the LCM of 170 and 238.
We find the HCF using prime factorization.
Prime factorization of 170,
2 170 5  85 17 17   1  
Prime factorization of 238,
2 238 7 119 17 17 1  
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