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InterviewSolution
| 1. |
Find the LCM and HCF of 12, 15 and 21 by the prime factorization method. |
| Answer» Given : 12, 15 , 21 Prime factor of 12 : 2*2*3Prime factor of 15 : 3*5Prime factor of 21 : 3*7HCF of 12, 15 ,21 : 3LCM of 12 , 15 , 21 : 420 | |