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![Find the HCF of the numbers (c) 240, 378 [Class 7 Part 2] - Teachoo - Figure it out - Page 54](https://cdn.teachoo.com/600b7b92-9c22-4ba7-b9d1-381eafabd070/slide75.jpg)
Question 1(c) - 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(c) Find the HCF of the following numbers: (c) 240, 378Let’s find Prime Factorisation of both 240 & 378 Now, 240 = 2 × 2 × 2 × 2 × 3 × 5 378 = 2 × 3 × 3 × 3 × 7 HCF of 240, 378 = 2 × 3 = 6
