Question

Chapters : 1. Real Numbers 2. Polynomials 3. Pair of linear equations in two variables
1. Find the HCF and LCM of 6, 72 and 120, using the Prime factorization method.​

Answer 1

HCF

6 = 2 x 3

72 = 2 x 2 x 2 x 3 x 3

120 = 2 x 2 x 2 x 3 x 5

HCF = 2 x 3

= 6

LCM = 2 x 3 x 2 x 2 x 3 x 2 x 2 x 5

LCM = 1440

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