1)2*5*7*3 = 10*21 = 210 < 11*7*3*5 = 77*15 = 1155
2) 5*3*7*19 = 15*133 = 1995 < 5*7*3*3*19 = 35*144 = 3990
1)2*5*7*3 = 10*21 = 210 < 11*7*3*5 = 77*15 = 1155
2) 5*3*7*19 = 15*133 = 1995 < 5*7*3*3*19 = 35*144 = 3990