Math, asked by tathgurridhav12, 1 month ago

the pair of co prime is a 32,40 b 21,28 c 18,25 d 9,27​

Answers

Answered by sophie30438
12

Answer:

18 , 25

Step-by-step explanation:

Factors of 18: 1, 2, 3, 6, 9 and 18.

Factors of 25: 1,5,25

Answered by divyapakhare468
11

Answer:

Co- prime numbers are the numbers whose common factor is only 1.

finding the factors of given pairs :  a )32,40 b) 21,28 c) 18,25 d) 9,27​

a) common factors of 32 and 40 = 1,2,4,8

b) common factors 21 and 28 = 1,7

c) common factor of 18 and 25 =

d) common factors 9 and 27 = 1,3,9

therefore , c) 18 and 25 is a co-prime pair

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