Which pair of numbers is relatively prime? a. 108 and 57 b. 21 and 183 c. 55 and 121 d. 60 and 151

60 and 151

Step-by-step explanation:

Relatively Prime numbers:

a) 108 and 57

They are not relatively prime because they have a common factor 3.

b) 21 and 183

They are not relatively prime because they have a common factor 3.

c) 60 and 151

There are no shared common factor other than 1, hence, they are co-prime.

answer: a.   one is a factor of every whole number since every number is divisible by itself.