Question

Find the LCM of the following number by the prime factorisation method 36,72​

Answer 1

Answer: The LCM of 36 and 72 is 72.

Steps to find LCM

Find the prime factorization of 36

36 = 2 × 2 × 3 × 3

Find the prime factorization of 72

72 = 2 × 2 × 2 × 3 × 3

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:  

LCM = 2 × 2 × 2 × 3 × 3

LCM = 72

Answer 2

Answer:

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