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![[Class 7 Ganita Prakash] Find the LCM of the following numbers: 30, 72 - Finding LCM using Prime Factorisation](https://cdn.teachoo.com/d0d3ae16-60ab-41e2-b3d0-51df6494094b/slide23.jpg)
Question (a) - Page 58 (Figure it out) - Finding LCM using Prime Factorisation - 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 (a) - Page 58 (Figure it out) Find the LCM of the following numbers: (a) 30, 72LCM of 30 & 72 = 2 × 2 × 2 × 3 × 3 × 5 = 8 × 9 × 5 = 360
