Question

LCM of 30 40 and 60 by prime factorisation method

Answer 1

Answer:

120

Step-by-step explanation:

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Answer 2

Answer:

2 30

3 15

5 5

1

factors of 30= 2*3*5

2 .40

2 .20

2 .10

5 .5

1

factors of 40= 2*2*2*5

2 .60

2 .30

3 .15

5 .5

1

factors of 60=2*2*3*5

Step-by-step explanation:

lcm = common factors * remaining factors

so lcm = 2*5*3*2*2=120