Question

For each of the following pairs of numbers, show that the product of their HCF and LCM equals their product 117 , 221​

Answer 1

Answer:

To find the HCF of 117 and 221, we will find the prime factorization of the given numbers, i.e. 117 = 3 × 3 × 13; 221 = 13 × 17. ⇒ Since 13 is the only common prime factor of 117 and 221. Hence, HCF (117, 221) = 13.

Answer 2

Answer:

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