If a and B are coprime numbers, then the greatest common factor of a and B is (); the least common multiple is (). Short division scheme To shorten the division format,

If a and B are coprime numbers, then the greatest common factor of a and B is (); the least common multiple is (). Short division scheme To shorten the division format,

If a and B are coprime numbers, then the greatest common factor of a and B is (1); the least common multiple is (AB)