You can calculate the gcf (greatest common factor) of the two numbers; one quick way to do this is using Euclid's algorithm.If the gcf of two numbers is 1, then the numbers are relatively prime.
Yes, 143 and 63 are relatively prime because they have no prime factors in common.
Yes.
No, they are not relatively prime.
No, they are not relatively prime.
No, they are not relatively prime.
No, they are not relatively prime.
No, 63 and 74 are not relatively prime because they have a common factor of 1.
No, they are not.
Yes
No
ya they are relatively prime
No.