А) 54 = 2 × 3 × 3 × 3
65 = 5 × 13
99 = 3 × 3 × 11
162 = 2 × 3 × 3 × 3 × 3
10000 = 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5
б) 1500 = 2 × 2 ×3 × 5 × 5 × 5
7000 = 2 × 2 × 2 × 5 × 5 × 5 × 7
3240 = 2 × 2 × 2 ×3 × 3 × 3 × 3 × 5
4608 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3