Ответ:

  1. 48 = 2 × 24 = 2 × 2 × 12 = 2 × 2 × 2 × 6 = 2⁴ × 3.
  2. 154 = 2 × 77 = 2 × 7 × 11.
  3. 567 = 3 × 189 = 3 × 3 × 63 = 3 × 3 × 3 × 21 = 3⁴ × 7.