7.Find the LCM and HCF of 6 and 20 by the prime factorisation method.​

2 thoughts on “7.Find the LCM and HCF of 6 and 20 by the prime factorisation method.​”

1. Answer:

   the lcm of 60and 20 is = 60

   Step-by-step explanation:

   LCM=

   2 | 6,20

   2 | 3,10

   3 | 3,5

   5 | 1,5

   | 1,1

   2*2*3*5 = 60

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2. Answer:

   L.C.M. of 6 and 20 = 2×2×3×5 = 60.

   H.C.F. of 6 = 2×3 = 6

   H.C.F. of 20 = 2×2×5 = 20

   Reply