Ex 3.4, 5 (f) - Chapter 3 Class 6 Playing with Numbers

Last updated at April 16, 2024 by

Ex 3.4, 5 - Chapter 3 Class 6 Playing with Numbers - Part 8

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Ex 3.4, 5 Which of the following numbers are co-prime? (f) 81 and 16 Factors of 81 1 × 81 = 81 3 × 27 = 17 9 × 9 = 81 27 × 3 = 81 We stop as 3 & 27 have occurred earlier Factors of 81 are 1, 3, 9, 27, 81 Factors of 16 1 × 16 = 16 2 × 8 = 16 4 × 4 = 16 8 × 2 = 16 We stop here as 8 and 2 have occurred earlier Factors of 16 are 1, 2, 4, 8, 16 Factors of 16 1 × 16 = 16 2 × 8 = 16 4 × 4 = 16 8 × 2 = 16 We stop here as 8 and 2 have occurred earlier Factors of 16 are 1, 2, 4, 8, 16 Since common factor is 1, They are co-prime numbers

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo