Question

Calcule o mmc dos numeros naturais: A)mmc(18,42) B)mmc(25,35) C)mmc(72,18) D)mmc(46,51) E)mmc(8,12,18) F)mmc(25,40,60)

Answer 1

a) 
18,42/2
  9,21/3
  3,  7/3
  1,  7/7
  1,  1/ = 2.3.3.7 = 126

25,35/5
  5,  7/5
  1,  7/7
  1,  1/ = 5.5.7 = 175

72,18/2
36,  9/2
18,  9/2
  9,  9/3
  3,  3/3
  1,  1/=  2.2.2.3.3 = 72

46,51/2
23,51/3
23,17/17
23,  1/23
  1,  1/ =  2.3.17.23 = 2346

8,12,18/2
4,  6,  9/2
2,  3,  9/2
1,  3,  9/3
1,  1,  3/3
1,  1,  1/ =  2.2.2.3.3 = 72

25,40,60/2
25,20,30/2
25,10,25/2
25,  5,25/5
  5,  1,  5/5
  1,  1,  1/=  2.2.2.5.5 = 200

Answer 2

Olá

A)

18, 42 | 2

9, 21 | 3

3, 7 | 3

1, 7 | 7

1, 1 | 1

MMC = 2 . 3 . 3 . 7 = 126

B)

25, 35 | 5

5, 7 | 5

1, 7 | 7

1, 1 | 1

MMC = 5 . 5 . 7 = 175

C)

72, 18 | 2

36, 9 | 2

18, 9 | 2

9, 9 | 3

3, 3 | 3

1, 1 | 1

MMC = 2 . 2 . 2 . 3 . 3 = 72

D)

46, 51 | 2

23, 51 | 3

23, 17 | 17

23, 1 | 23

1, 1 | 1

MMC = 2 . 3 . 17 . 23 = 2346

E)

8, 12, 18 | 2

4, 6, 9 | 2

2, 3, 9 | 2

1, 3, 9 | 3

1, 1, 3 | 3

1, 1, 1 | 1

MMC = 2 . 2 . 2 . 3 . 3 = 72

F)

25, 40, 60 | 2

25, 20, 30 | 2

25, 10, 15 | 2

25, 5, 15 | 3

25, 5, 5 | 5

5, 1, 1 | 5

1, 1, 1 | 1

MMC = 2 . 2 . 2 . 3 . 5 . 5 = 600

${\large\boxed{\boxed{  { \large \tt BONS \: \: ESTUDOS \: MEU \: ANJO \:<3 }}}}$