Question

Select the co-prime pairs among the following options.
a) (256, 257)
b) (75, 27)
c) (36, 53)
d) (14, 16)

Answer 1

Answer:

option (a) because they have only 1 factor

Answer 2

A number 15 between 14 and 16 which is a composite number. That's why option number d