Question

find the lcm of 42, 63, 162 by prime factorization​

Answer 1

LCM(42,63,162)

Least Common Multiple is :

     1134

Calculate Least Common Multiple for :

   42, 63 and 162

Factorize of the above numbers :

   42 = 2 • 3 • 7

   63 = 32 • 7

   162 = 2 • 34

Build a prime factors table

   Number of times each prime factor

   appears in the factorization of :

Prime

Factor   Number

42   Number

63   Number

162    L.C.M  

(max)

2 1 0 1 1

3 1 2 4 4

7 1 1 0 1

LCM = 2 • 34 • 7

Least Common Multiple is :

     1134

Hope that helps!

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Answer 2

Answer:

I hope it helps.

Step-by-step explanation:

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