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Question 1(a) - Figure it out - Page 54 - Chapter 3 Class 7 - Finding Common Ground (Ganita Prakash II)
Last updated at January 22, 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
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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 1(a) Find the HCF of the following numbers: (a) 24, 180Let’s find Prime Factorisation of both 24 & 180 Now, 24 = 2 × 2 × 2 × 3 180 = 2 × 2 × 3 × 3 × 5 HCF of 24, 180 = 2 × 2 × 7 = 28
