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1. Find the LCM and HCF of \(6\) and \(20\) by the prime factorization method
LCM\(=\)
HCF\(=\)
2. Find the HCF and LCM of \(6\), \(72\) and \(120\), using the prime factorization method.
LCM \(=\)
HCF \(=\)
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