Ex 1.1, 3 (i) - Chapter 1 Class 10 Real Numbers (Important Question)

Last updated at April 16, 2024 by

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Ex 1.1, 3 Find the LCM and HCF of the following integers by applying the prime factorisation method. 12, 15 and 21 Finding HCF 12 = 2 × 2 × 3 15 = 3 × 5 21 = 3 × 7 ∴ H.C.F = 3 L.C.M = 2 × 2 × 3 × 5 × 7 = 420

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.