Ive been trying to do these questions for hours, cant think of a solution. Help would be appreciated !

1) In how many ways could 15 different books be divided equally among 3 people? Answer= 756756

2) the camer club has 5 members and the math club has 8. there is only 1 member common to both clubs. In how many ways could a committee of 4 people be formed with atleast one member from each club? Answer=459