Chapter 2 · Class 6 ICSE

HCF & LCM — Class 6 ICSE Maths

Learn to find the highest common factor and lowest common multiple using prime factorization.

In the Class 6 ICSE syllabus, HCF & LCM is a foundational chapter that connects to several later topics. Mastering it early gives students a clear advantage in school exams and competitive tests alike. The chapter builds from basic definitions through worked examples to challenging application problems.

On SparkEd, every question for HCF & LCM is mapped to the ICSE curriculum. You can practise at three difficulty levels — easy, medium, and hard — and download a fresh worksheet each day. Our AI-powered Spark Coach is available to explain any doubt step-by-step.

Key Concepts in HCF & LCM

  • 1Find all factors and multiples of a given number
  • 2Test divisibility using standard rules for 2, 3, 4, 5, 6, 8, 9, and 11
  • 3Identify prime and composite numbers and perform prime factorisation
  • 4Calculate HCF and LCM using prime factorisation and division methods
  • 5Solve word problems that require HCF or LCM
  • 6Apply the Fundamental Theorem of Arithmetic in proofs (Class 10)

Practice Questions — HCF & LCM

SparkEd has 60 questions for this topic across three difficulty levels.

Easy, Medium, and Hard — with step-by-step solutions and AI doubt-clearing.

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Download Free Worksheet — HCF & LCM

Get a printable PDF worksheet for HCF & LCM with questions at easy, medium, and hard levels. A fresh worksheet is generated every day so you never run out of practice material.

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Frequently Asked Questions

What is HCF & LCM in Class 6 ICSE Maths?+
HCF & LCM is a chapter in the Class 6 ICSE syllabus. Learn to find the highest common factor and lowest common multiple using prime factorization. It covers both conceptual understanding and problem-solving skills tested in school exams.
How many questions does SparkEd have for HCF & LCM?+
SparkEd offers 60 practice questions for HCF & LCM, spread across easy, medium, and hard difficulty levels. New questions are added regularly.
Where can I practise HCF & LCM online for free?+
You can practise HCF & LCM for free right here on SparkEd. Pick a difficulty level and start solving — no signup is required to try.
Is there a free worksheet for HCF & LCM Class 6?+
Yes. SparkEd provides a downloadable PDF worksheet for HCF & LCM with questions at all difficulty levels. You can generate a fresh worksheet every day.
How to score well in HCF & LCM?+
Start by understanding the core concepts and formulas. Then solve the easy-level questions on SparkEd to build confidence, move to medium and hard, and finally attempt timed practice. Consistent daily practice of 15-20 minutes makes a big difference.

Practice HCF & LCM on SparkEd — Free

Solve chapter-wise questions with instant feedback, step-by-step solutions, and an AI coach to clear every doubt. No signup required to try.

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