Question

Decomponha os números a seguir em fatores primos:
A)18
B)75
C)63
D)289
E)90
F)330
G)1.000
H)1.260
I)286
J)2.431

Answer 1

Resposta:

A)

18/2

9/3

3/3

1

18 = 2•3•3 = 2•3²

B)

75/3

25/5

5/5

1

75 = 3•5•5 = 3•5²

C)

63/3

21/3

7/7

1

63 = 3•3•7 = 3²•7

D)

289/17

17/17

1

289 = 17•17 = 17²

E)

90/2

45/3

15/3

5/5

1

90 = 2•3•3•5 = 2•3²•5

F)

330/2

165/3

55/5

11/11

 1

330 = 2•3•5•11

G)

1000/2

500/2

250/2

125/5

 25/5

  5/5

  1

1000 = 2•2•2•5•5•5 = 2³•5³

H)

1260/2

630/2

315/3

105/3

 35/5

  7/7

  1

1260 = 2•2•3•3•5•7 = 2²•3²•5•7

I)

286/2

143/11

13/13

 1

286 = 2•11•13

J)

2431/11

221/13

 17/17

  1

2431 = 11•13•17