Ex 3.2, 8 - Which numbers are prime? (a) 23 (b) 51 (c) 37 (d) 26

Ex 3.2, 8 - Chapter 3 Class 6 Playing with Numbers - Part 2

Ex 3.2, 8 - Chapter 3 Class 6 Playing with Numbers - Part 3

Ex 3.2, 8 - Chapter 3 Class 6 Playing with Numbers - Part 4

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Ex 3.2, 8 Which of the following numbers are prime? (a) 23Factors of 23 1 × 23 = 23 23 × 1 = 23 It has only 2 factors 1 and 23 So it is Prime Number Ex 3.2, 8 Which of the following numbers are prime? (b) 51Factors of 51 1 × 51 = 51 3 × 17 = 51 17 × 3 = 51 So Factors are 1, 3, 17, 51 It has more than 2 factors So it is not a prime number Ex 3.2, 8 Which of the following numbers are prime? (c) 37Factors of 37 1 × 37 = 37 37 × 1 = 37 It has only 2 factors 1 and 37 So it is a Prime number Ex 3.2, 8 Which of the following numbers are prime? (d) 26Factors of 26 1 × 26 = 26 2 × 13 = 26 13 × 2 = 26 So factors are 1, 2, 13, 26 It has more than 2 factors So it is not a Prime number

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.