Question

Fatore os números, 18, 70, 84, 100, 242, 112, 90, 225, 65, 39, 40, 12, 288, 240, usando a tabela de números primos

Answer 1

Resposta:

1. 18 : 2 = 9 → 9 : 3 = 3 → 3 : 3 = 1.
2. 70 : 2 = 35 → 35 : 5 = 7 → 7 : 7 = 1.
3. 84 : 2 = 42 → 42 : 2 = 21 → 21 : 3 = 7 → 7 : 7 = 1.
4. 100 : 2 = 50 → 50 : 2 = 25 → 25 : 5 = 5 → 5 : 5 = 1.
5. 242 : 2 = 121 → 121 : 11 = 11 → 11 : 11 = 1.
6. 112 : 2 = 56 → 56 : 2 = 28 → 28 : 2 = 14 → 14 : 2 = 7 → 7 : 7 = 1.
7. 90 : 2 = 45 → 45 : 5 = 9 → 9 : 3 = 3 → 3 : 3 = 1.
8. 225 : 3 = 75 → 75 : 3 = 25 → 25 : 5 = 5 → 5 : 5 = 1.
9. 65 : 5 = 13 → 13 : 13 = 1.
10. 39 : 3 = 13 → 13 : 13 = 1.
11. 40 : 2 = 20 → 20 : 2 = 10 → 10 : 2 = 5 → 5 : 5 = 1.
12. 12 : 2 = 6 → 6 : 2 = 3 → 3 : 3 = 1.
13. 288 : 2 = 144 → 144 : 2 = 72 → 72 : 2 = 36 → 36 : 2 = 18 → 18 : 2 = 9 →   9 : 3 = 3 → 3 : 3 = 1.
14. 240 : 2 = 120 → 120 : 2 = 60 → 60 : 2 = 30 → 30 : 2 = 15 → 15 : 3 = 5 →              5 : 5 = 1.