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
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










