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Question

Product of two coprime numbers is 117, then their LCM is

A
9
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B
13
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C
39
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D
117
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Solution

The correct option is D 117
Factorising 117, we have :

117 = 13 x 9

HCF of co-prime numbers is always 1.

Now, HCF x LCM = Product of two numbers

=> 1 x LCM = 117

=> LCM = 117

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