This question is similar to Chapter 1 Class 10 Real Numbers - Ex 1.1

Please check the Question here

https://www.teachoo.com/13111/488/Ex-1.2--2-iii/category/Ex-1.2/

 

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Question 21 (A) Find the H.C.F and L.C.M of 480 and 720 using the Prime factorisation method.Finding HCF 480 = 2 × 2 × 2 × 2 × 2 × 3 × 5 720 = 2 × 2 × 2 × 2 × 3 × 3 × 5 ∴ H.C.F = 2 × 2 × 2 × 2 × 3 × 5 = 240 Finding L.C.M L.C.M = 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 = 1440

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Davneet Singh

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.