Ответ:

Разложим числа на простые множители:

  1. 77 = 7 × 11.
  2. 1212 = 2 × 606 = 2 × 2 × 303 = 2² × 3 × 101.
  3. 1717 = 17 × 101.
  4. 2525 = 25 × 101 = 5 × 5 × 101.
  5. 2929 = 29 × 101.
  6. 3333 = 3 × 1111 = 3 × 11 × 101.
  7. 4141 = 41 × 101.
  8. 5757 = 57 × 101 = 3 × 19 × 101.
  9. 6161 = 61 × 101.
  10. 8787 = 87 × 101 = 3 × 29 × 101.