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  • Subjects
  • Maths CBSE Live product
  • Class 7 (2026-27)
  • Finding Common Ground

LCM: Prime Factorisation Method

Theory

1. Common Multiple
2. Finding LCM by prime factorisation method

Practice Questions

1. Finding the common multiple without solving

Difficulty: easy

2
2. Evaluate the common multiples

Difficulty: medium

4
3. NCERT | LCM | Intext | Pg.no 55 | Q1

Difficulty: medium

3
4. NCERT | LCM | Intext | Pg.no 55 | Q2

Difficulty: medium

3
5. NCERT | LCM | Intext | Pg.no 56 | Q1

Difficulty: medium

3
6. NCERT | Finding LCM through Prime Factorisation | Example | Pg.no 57 | Q6

Difficulty: medium

4
7. Assertion and Reasoning

Difficulty: medium

1
8. CBQ - Packing Sweets for a School Function

Difficulty: hard

4
9. NCERT | Finding LCM through Prime Factorisation | Example | Pg.no 57 | Q7

Difficulty: hard

4
10. NCERT | Finding LCM through Prime Factorisation | Figure it Out | Pg.no 58 | Q1

Difficulty: hard

5

Teacher manual

1. Methodical recommendation
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