Question

which of these is a pair of coprime 20,25 18,35 15,63 28,81?
who will answer he will get 100 points. IN THESE ANSWER QUESTION THERE IS 100 POINTS​

Answer 1

Answer:

Which of the following numbers are co-prime: (a) 18 and 35 (b) 15 and 37 (c) 30 and 415 (d) 17 and 168 (e) 216 and 215 (f) 81 and 16

Answer 2

28,81 is the pair of coprime numbers

because they don't have any common factors