Skip to main content
Super TutorResources
Chapter 5 of 10
Syllabus

Prime Time — Syllabus

CBSE · Class 6 · Mathematics

What Prime Time covers in CBSE Class 6 Mathematics: 4 topics, for the 2026-27 session. Part of the CBSE Class 6 Mathematics syllabus.

41 questions60 flashcards7 formulas & key relations5 concepts

Interactive on Super Tutor

Studying Prime Time? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for syllabus and more.

Try Super Tutor — Free

Free trial, no card needed.

4 Topics · CBSE Class 6 Mathematics · 2026-27

Topics in Prime Time

1

1. Factors, Common Multiples, and Common Factors

  • A factor of a number divides it exactly.
  • The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.
  • Numbers that are multiples of both 3 and 5 are common multiples.
2

2. Prime Numbers and Composite Numbers

  • Prime numbers have exactly two factors: 1 and the number itself.
  • The first few prime numbers are 2, 3, 5, 7, 11, 13, 17, and 19.
  • Composite numbers have more than two factors.
3

3. The Sieve of Eratosthenes

  • The Sieve of Eratosthenes is a method for listing primes by circling and crossing out numbers.
  • First cross out 1 because it is neither prime nor composite.
  • Circle 2 and cross out its multiples.
4

4. Co-prime Numbers

  • Two numbers are co-prime if they have no common factor other than 1.
  • The pair 4 and 9 is co-prime.
  • The pair 15 and 39 is not co-prime.

Key Concepts

Central concept: Prime numbers, factors, co-prime numbers, prime factorisation, divisibility tests, and special number patterns

Factors and multiplesCommon multiplesCommon factorsPrime numbersComposite numbersThe number 1Sieve of EratosthenesPrime factorisation

Work through every topic in Prime Time with notes and quizzes

Start This Chapter

Frequently Asked Questions

What are the important topics in Prime Time for CBSE Class 6 Mathematics?
Key topics in Prime Time include Factors, Common Multiples, and Common Factors, Prime Numbers and Composite Numbers, The Sieve of Eratosthenes, Co-prime Numbers. Study these first, then practise questions on each for Class 6 exams.
How should I revise Prime Time for Class 6 exams?
Learn the core ideas first, then work through the 41 practice questions on Prime Time. Revise 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 Prime Time

All CBSE Class 6 Mathematics Syllabus

For serious students

Get the full Prime Time chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for CBSE Class 6 Mathematics. Free to start, no card needed.

Try Super Tutor Free
Try this chapter free