What is co-prime
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 on.
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 on.