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