Question

Which of the following pair is co-prime: *
17 and 68
30 and 415
15 and 37
None

Answer 1

Answer:

option c : 15 and 37 is co-prime

Step-by-step explanation:

factors of 15=1,3,5 and 15

Factors of 37 =1,3,7

the common factor in both 15 and 37 is 1

therefore 15 and 37 is co-prime