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Chapter Summary

Factors and Multiples

ICSE · Class 4 · Mathematics

Summary of Factors and Multiples for ICSE Class 4 Mathematics. Key concepts, important points, and chapter overview.

47 questions30 flashcards5 concepts

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Overview

In this chapter, we learn about two important mathematical ideas: factors and multiples. These concepts help us understand how numbers are related to each other through multiplication and division. Knowing about factors and multiples helps us solve many types of math problems easily.

Key Concepts

A factor of a number

A factor of a number is a number that divides it exactly without leaving a remainder. For example, 1, 2, 3, and 6 are factors of 6 because 6 can be di

A multiple of a number

A multiple of a number is the product of that number and any whole number. For example, multiples of 5 are 5, 10, 15, 20, etc., because they come from

A prime number has only two

A prime number has only two factors: 1 and itself. For example, 2, 3, 5, 7. A composite number has more than two factors. For example, 4, 6, 8, 9. Not

The largest factor that is common

The largest factor that is common to two or more numbers is called their HCF. For example, HCF of 12 and 18 is 6 because 6 is the largest number that

The smallest multiple that is common

The smallest multiple that is common to two or more numbers is called their LCM. For example, LCM of 4 and 6 is 12 because 12 is the smallest number t

Learning Objectives

  • Understand what factors and multiples are
  • Find all factors and multiples of a given number
  • Differentiate between prime and composite numbers
  • Find the Highest Common Factor (HCF) of two or more numbers
  • Find the Least Common Multiple (LCM) of two or more numbers

Frequently Asked Questions

What are the important topics in Factors and Multiples for ICSE Class 4 Mathematics?
Factors and Multiples covers several key topics that are frequently asked in ICSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Factors and Multiples — ICSE Class 4 Mathematics?
Understand the core concepts first, then work through the 47 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Factors and Multiples

All 17 chapters — ICSE Class 4 Mathematics Chapter Summary

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