Answer :
143 and 63 are pair of numbers is relatively prime.
What are co- prime numbers?
Co-prime numbers are pairs of numbers that have just the number one in common. A group of co-prime numbers must consist of at least two different numbers.
a and b are co-prime integers if the sole element they have in common is 1. In this instance, it is said that (a, b) form a co-prime pair. Relatively prime numbers are another name for co-prime numbers.
Given:
We have to find the relation of the co- prime numbers which says that any two numbers have common factor 1.
So, 143 and 63
have common factor 1.
Now, 43 and 172 have the common factor 43.
and, 22 and 143 have common factor 11.
Lastly, 110 and 77 have common factor 11.
hence, 143 and 63 are pair of numbers is relatively prime.
Learn more about co- prime numbers here:
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Answer:
C
Step-by-step explanation:
Prime numbers are special numbers that can only be divided by themselves and 1
