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Q.

Find the LCM and HCF of the integers 336 and 54.

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a

3024, 42 

b

247, 14

c

4350, 25

d

244, 3

answer is D.

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Detailed Solution

The given integers are 336 and 54.
Prime factors of 336 and 54 is as follows.
336=2×2×2×2×3×7 54=2×3×3×3 LCM=2×2×2×2×3×3×3×7 ⇒LCM=3024 HCF=2×3×7 ⇒ 42
Therefore, LCM and HCF of the integers 336 and 54 are 3024 and 42 respectively.
Hence, option 4 is correct.
 
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