Q3 of 57 Page 25

Find the HCF and LCM of the following integers by applying the prime factorization method.

17, 23 and 29


The numbers can be expressed as follows:

17 = 17 × 1


23 = 23 × 1


29 = 29 × 1


So HCF = 1


For finding the LCM we may write as follows:



So LCM = 17 × 23 × 29 × 1


= 11339


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