Decomponha os números em fatores
primos.
a) 8
b) 9
c) 24
d) 30
e) 49
f) 50
g) 75
h) 150
i) 300
j) 400
k) 512
Soluções para a tarefa
Resposta:
a) 8 :2
4:2
2:2
1 = 2 . 2 . 2 = 8
b) 9 : 3
3 : 3
1 = 3 . 3 = 9
c) 24 :2
12:2
6:2
3:3
1 == 2.2.2.3 = 24
d) 30 : 2
15 : 3
5 : 5
1 = 2 . 3 . 5 = 30
e) 49 :7
7:7
1 = 7 . 7 = 49
f) 50 :2
25:5
5:5
1 = 2.5.5 = 50
g) 75 : 3
25 : 5
5 : 5
1 = 3.5.5 = 75
h) 150 : 2
75 : 3
25 :5
5 :5
1 = 2.3.5.5 = 150
i) 300:2
150:2
75:3
25:5
5:5
1 = 2.2.3.5.5 = 300
j) 400 :2
200:2
100:2
50:2
25:5
5:5
1 = 2.2.2.2.5.5 = 400
k) 512:2
256:2
128:2
64:2
32:2
16:2
8:2
4:2
2:2
1 = 2.2.2.2.2.2.2.2.2 = 512
Explicação passo-a-passo:
a) 8= 2³
8 | 2
4 | 2
2 | 2
1
b) 9= 3²
9 | 3
3 | 3
1 |
c) 24= 2³ . 3
24 | 2
12 | 2
6 | 2
3 | 3
1 |
d) 30= 2 . 3 . 5
30 | 2
15 | 3
5 | 5
1 |
e) 49= 7²
49 | 7
7 | 7
1 |
f) 50= 2 . 5²
50 | 2
25 | 5
5 | 5
1 |
g) 75= 3 . 5²
75 | 3
25 | 5
5 | 5
1 |
h) 150= 2 . 3 . 5²
150 | 2
75 | 3
25 | 5
5 | 5
1 |
i) 300= 2² . 3 . 5²
300 | 2
150 | 2
75 | 3
25 | 5
5 | 5
1 |
j) 400= 2^4 . 5²
400 | 2
200 | 2
100 | 2
50 | 2
25 | 5
5 | 5
1 |
k) 512= 2^9
512 | 2
256 | 2
128 | 2
64 | 2
32 | 2
16 | 2
8 | 2
4 | 2
2 | 2
1