Class 10 Math Exercise 1.4 – LCM, HCF & Prime 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.
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🔗 Related Posts
🔁 Previous: Exercise 1.3 – Euclid’s Lemma & HCF
➡️ Next: Chapter 1 Miscellaneous – Real Numbers Solved PDF
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