12936:
- 12936 ÷ 3 = 4312
- 4312 ÷ 2 = 2156
- 2156 ÷ 2 = 1078
- 1078 ÷ 2 = 539
- 539 ÷ 7 = 77
- 77 ÷ 7 = 11
- 11 ÷ 11 = 1
12936 = 11 × 7 × 7 × 2 × 2 × 2 × 3
196:
- 196 ÷ 2 = 98
- 98 ÷ 2 = 49
- 49 ÷ 7 = 7
- 7 ÷ 7 = 1
196 = 7 × 7 × 2 × 2
216:
- 216 ÷ 3 = 72
- 72 ÷ 3 = 24
- 24 ÷ 3 = 8
- 8 ÷ 2 = 4
- 4 ÷ 2 = 2
- 2 ÷ 2 = 1
216 = 2 × 2 × 2 × 3 × 3 × 3
4120:
- 4120 ÷ 2 = 2060
- 2060 ÷ 2 = 1030
- 1030 ÷ 2 = 515
- 515 ÷ 5 = 103
- 103 ÷ 103 = 1
4120 = 103 × 5 × 2 × 2 × 2