Which of the following pairs of numbers are co-primes?
A34 and 35
B12 and 18
C7 and 14
D17 and 170
A34 and 35
B12 and 18
C7 and 14
D17 and 170
Related Questions:
$$Find the number of zeros at the right end of
$12^5\times25^2\times8^3\times35^2\times14^3$