HCF and LCM -Concept & Examples (Part 1) in Simple Way |Quantitative Aptitude | Competitive Exam

Описание: Welcome to L3S – Lotus Students Support Services 🌸
This session covers Quantitative Aptitude – HCF & LCM (Basic to Intermediate Level) designed specially for aspirants preparing for:

✔ SSC (CGL, CHSL, MTS)
✔ Banking (PO / Clerk)
✔ Railway (RRB NTPC, Group-D)
✔ NDA / CDS
✔ UPSC / State PSC
✔ MBA Entrance Exams
✔ All Competitive & Recruitment Exams

In this video, we explain the complete concept of Highest Common Factor (HCF) and Least Common Multiple (LCM) with clear methods, solved examples, shortcut techniques, and exam-oriented questions.

HCF and LCM_Part 1

This topic is extremely important because questions from HCF & LCM are regularly asked in Quantitative Aptitude sections and help build a strong foundation for Arithmetic and Number System.

HCF and LCM_1

📚 What You Will Learn in This Video:

Meaning of HCF and LCM

Prime Factorization Method

Division Method

Solving Questions for Two or More Numbers

Relationship Between HCF and LCM

HCF & LCM of Decimals

HCF & LCM of Fractions

Practice Questions for Competitive Exams

Quick Recap for Revision

HCF and LCM_1

💡 This session is ideal for beginners as well as intermediate learners who want conceptual clarity and exam confidence.

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⏱️ Time-Stamped Chapters (For YouTube Navigation)

00:00 – Introduction to Quantitative Aptitude (L3S Series-1)
01:11– What is HCF? (Concept & Definition)
02:51 – HCF by Prime Factorization Method
09:22 – HCF by Division Method (Two Numbers)
13:14 – HCF by Division Method (More Than Two Numbers)
16:35 – What is LCM? (Concept & Importance)
18:45 – LCM by Prime Factorization Method
23:43 – LCM by Division Method
27:02 – Relationship Between HCF and LCM
35:18 – HCF & LCM of Decimals (Step-by-Step)
40:49 – HCF & LCM of Fractions (Formula Method)
47:26 – Quick Recap & Revision Tips