Question

what is co prime no.

Answer 1

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

Answer 2

Numbers, which do not have any common factor between them other than one, are called co-prime numbers....

hope this helps..