Which of these pairs are co-prime numbers?
After analyzing the options
(a) 24 and 42:
(24, 42) = 6 (both 24 and 42 are divisible by 6) Not co-prime
(b) 15 and 36:
15, 36) = 3 (both 15 and 36 are divisible by 3) Not co-prime
(c) 11 and 22:
(11, 22) = 11 (11 is a prime number and divisible by 22) Not Co-prime
(d) 11 and 15:
(11, 15) = 1 (11 is a prime number and not divisible by 15) Co-prime
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