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  1. Chapter 3 Class 6 Playing with Numbers
  2. Serial order wise
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Transcript

Ex 3.2, 4 Write down separately the prime and composite numbers less than 20. Writing factors of numbers from 1 to 20 Prime numbers a number 1 and 20 are 2, 3, 5, 7, 11, 13, 17, 19 Composite number here 1 and 20 are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.