а) 105
105 | 3 35 | 5 7 | 7 1 |
105 = 3 × 5 × 7
б) 360
360 | 2 180 | 2 90 | 2 45 | 3 15 | 3 5 | 5 1 |
360 = 2 × 2 × 2 × 3 × 3 × 5 = 23 × 32 × 5
а) 102
102 | 2 51 | 3 17 | 17 1 |
102 = 2 × 3 × 17
б) 540
540 | 2 270 | 2 135 | 3 45 | 3 15 | 3 5 | 5 1 |
540 = 2 × 2 × 3 × 3 × 3 × 5 = 22 × 33 × 5