Find the LCM and HCF of the following integers by applying the prime factorisation method. (i) 12, 15 and 21 and verify it using LCM × HCF = product of the two numbers.
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Step-by-step explanation:
LCM and HCF of 12, 15 and 21 are 420 and 3 respectively. Hence, LCM and HCF of 17, 23 and 29 are 11339 and 1 respectively.
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