Class 10 Math Exercise 1.4 Solved – LCM, HCF & Factorization

by Mr MH on June 29, 2025

Class 10 Math Ex 1.4 Solved – LCM, HCF & Factorization PDF

Class 10 Math Exercise 1.4 – LCM, HCF & Prime Factorization

Class 10 Math Exercise 1.4 Solved – LCM, HCF & Factorization

📘 Introduction

Class 10 Math Chapter 1 Exercise 1.4 focuses on LCM, HCF, and Prime Factorization. This exercise helps students understand the structure of real numbers and their properties using basic operations. Weak students often struggle here, so these notes simplify everything step-by-step.

📚 Topics Covered

Finding LCM & HCF using Prime Factorization
Using index notation (powers of primes)
Relationship between LCM × HCF = Product of Numbers
Word problems based on real-life situations

📝 Solved Questions Highlights

All questions are solved with:

Step-by-step method
Prime factor trees
Index notation format
Proper verification and final answers

💡 Tips for Easy Learning:

Start with prime factorization of each number
Choose common primes for HCF and all primes for LCM
Use powers in index form where possible

✅ Study Pool Certified

This post and PDF are Study Pool Certified and Verified by M Usman (MSc Physics). Ideal for weak students, home tutors, and teachers for board exam preparation.