Question

what is co- prime number​

Answer 1

In number theory, two integers a and b are said to be relatively prime, mutually prime, or coprime if the only positive integer that divides both of them is 1.

Answer 2

Answer:

Two numbers are coprime if their highest common factor (or greatest common divisor if you must) is 1. You can have the set of positive integers which are coprime to a given number: for example those coprime to 12 are Two numbers are coprime if their highest common factor (or greatest common divisor if you must) is 1. You can have the set of positive integers which are coprime to a given number: for example those coprime to 12 are 1,5,7,11,13,17,19,23,25, and so