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![[Maths] You can try this method for these pairs of numbers 84 and 132 - Efficient Procedures for HCF and LCM](https://cdn.teachoo.com/af2f5c2b-36b8-4601-ac8d-60898da35a42/slide58.jpg)
Question (b) - Page 62 (Try this) - Efficient Procedures for HCF and LCM - Chapter 3 Class 7 - Finding Common Ground (Ganita Prakash II)
Last updated at January 23, 2026 by Teachoo
Class 7 (Ganita Prakash 1, 2 & old NCERT)
Chapter 3 Class 7 - Finding Common Ground (Ganita Prakash II)
- The Greatest of All
- Prime Factorisation
- Finding HCF using Prime Factorisation
- Figure it out - Page 54
- Least, but not Last!
- Finding LCM using Prime Factorisation
- Patterns, Properties, and a Pretty Procedure!
- Figure it out - Page 59
- Miscellenaous Questions on HCF, LCM
-
Efficient Procedures for HCF and LCM
- Property Involving both the HCF and the LCM
- Figure it out - Page 63, 64
Transcript
Question (b) - Page 62 (Try this) You can try this method for these pairs of numbers. (b) 84 and 132Let’s do this Thus, HCF = 2 × 2 × 3 = 12 LCM = (2 × 2 × 3) × (7 × 11) = 12 × 77 = 924
