Question

LCM of 18 and 32 in vertical method​

Answer 1

Answer:

Least common multiple (LCM) of 18 and 32 is 288.

Answer 2

Answer:

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Step-by-step explanation:

Steps to find LCM  in Vertical Method

 2  | 18  ,  32

 2  |  9  ,  16

2   |  9  ,  8  

2   |  9  ,  4  

2   |  9  ,  2  

3   |  9  ,  1    

3   |  3  ,  1    

3   |  1  ,  1    

LCM = 2 × 2 × 2 × 2 × 2 × 3 × 3

LCM = 288

Steps to find LCM  in Horizontal Method

Find the prime factorization of 18

18 = 2 × 3 × 3

Find the prime factorization of 32

32 = 2 × 2 × 2 × 2 × 2

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

LCM = 2 × 2 × 2 × 2 × 2 × 3 × 3

LCM = 288