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Prime Time

Class6BookGanita Prakash · Chapter 5

Start with “Common Multiples: the Idli-Vada Game”

Topics in this chapter

  1. 1a.Common Multiples: the Idli-Vada Game▶
  2. 1b.Common Factors: the Jump Jackpot▶
  3. 2a.Prime and Composite Numbers▶
  4. 2b.The Sieve of Eratosthenes▶
  5. 3.Co-prime Numbers for Safekeeping Treasures▶
  6. 4a.Breaking a Number into Primes▶
  7. 4b.One Factorisation, in Any Order▶
  8. 5.Prime Factorisation of a Product▶
  9. 6a.Checking Co-primes with Prime Factors▶
  10. 6b.Checking Divisibility with Prime Factors▶
  11. 7.Divisibility Tests for 10, 5 and 2▶
  12. 8a.Divisibility Test for 4▶
  13. 8b.Divisibility Test for 8▶
  14. 9.Special Numbers▶
  15. 10.A Prime Puzzle▶