Question

which of the following pairs are coprime?
(a) 5,8
(b) 28,31
(c) 31,61
(d) 99,100

Answer 1

31,61 are co prime numbers, as they do not have any factors except for 1 and the numbers themselves!!

Answer 2

Answer:

(c) 31,61

Step-by-step explanation:

31,61 are co prime as they do not have any common factor except 1.

Hence, option c is the correct answer

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