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Find the LCM and HCF of the following...

Find the LCM and HCF of the following integers by applying the prime factorisation method: (i) 12, 15 and 21     (ii) 17, 23 and 29     (iii) 8, 9 and 25

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Find the LCM and HCF of the of the following integers by applying the prime factorisation method. 12, 15, and 21

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