Question

Find the hcf of 120 150and 30using prime factorisation meathod also find the lacm of these numbers

Answer 1

Answer:

Step-by-step explanation:

the L.C.M

120 = 30 x 4

150 = 30 x 5

30 = 30 x 1

now the L.C.M = 30 x 5 x 4 x 1

                         = 30 x 20

                          = 600

Answer 2

Answer:

Step-by-step explanation:

2 I 120,150,30

____________

3 I 60,75,30

____________

5 I 20,25,5

____________

  I 4, 5, 1

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LCM = 2 x 3 x 5 x 4 x 5 x 1 = 120.

HCF = 5.

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