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Ex 3.2, 8 - Chapter 3 Class 6 Playing with Numbers
Last updated at March 16, 2023 by Teachoo
Ex 3.2
Ex 3.2, 1
Ex 3.2, 2 (a)
Ex 3.2, 2 (b) Important
Ex 3.2, 2 (c)
Ex 3.2, 2 (d)
Ex 3.2, 2 (e) Important
Ex 3.2, 2 (f) Important
Ex 3.2, 2 (g)
Ex 3.2, 2 (h) Important
Ex 3.2, 2 (i) Important
Ex 3.2, 2 (j)
Ex 3.2, 3 Important
Ex 3.2, 4
Ex 3.2, 5
Ex 3.2, 6 (a) Important
Ex 3.2, 6 (b)
Ex 3.2, 6 (c) Important
Ex 3.2, 6 (d)
Ex 3.2, 7 Important
Ex 3.2, 8 You are here
Ex 3.2, 9 Important
Ex 3.2, 10 Important
Ex 3.2, 11
Ex 3.2, 12 Important
Transcript
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
