Question

which of the following number are co _ prime
81 amd 16​

Answer 1

Answer:

both thenumbers are co prime number because they both have common factor except one and themselves

Answer 2

Answer:

Factors of 16 are 1 ,2 ,4 ,8 and 16

factors of 81 are 1 ,3 ,9 ,27 and 81

Therefore 1 , is the only common factor of 81 and 16 which means that 81 and 16 are Co-prime.