Question

Find the LCM by prime factorization method of the numbers 30,72 and 90(2)

Answer 1

Answer:

lcm of 30,72,180

2_ 30,72,180

3 _ 15 ,36,90

3 _ 5, 12,30

5_ 5, 4, 10

2 - 1,.4, 2

2 . 2 , 1

lcm = 2*3*3*5*2*2*2 =

720

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