1: 4K2 * 7K3 * K
    2: 3X5 * 4X3 * 2X2
    3: 5Z8 * 2Z4 * 3Z3
    4: 9P7 * 2P6 * 3P4
    5: 5T2 * 3T3 * 4T5 * 7T
For the solutions 1 by 1 click the arrow:


    1: 28K6
    2: 24X10
    3: 30Z15
    4: 54P17
    5: 420T11