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/

 

[SQP] Find H.C.F and L.C.M of 480 and 720 using Prime factorisation - CBSE Class 10 Sample Paper for 2025 Boards - Maths Standard

part 2 - Question 21 (A) - CBSE Class 10 Sample Paper for 2025 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards - Class 10

 

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Transcript

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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