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Question 1 - Page 60 - Miscellenaous Questions on HCF, 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
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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 1 - Page 60 Consider the following two multiples of 14 — 14 × 6, 14 × 9. What is their HCF?Let’s do prime factorization for both numbers 14 × 6 = 7 × 2 × 3 × 2 14 × 9 = 7 × 2 × 3 × 3 Thus, HCF = 7 × 2 × 3 = 14 × 3 = 42
