Question

1) Usando a decomposição simultânea em fatores primos, determine:

a) mm (30, 70) b) mmc (18, 60)

c) mmc (28, 36) d) mmc (15,45)​

Answer 1

a) 210 b) 180. c) 252. d) 45

28, 36 | 2 15,45 | 3

14, 18 | 2 5 , 15 | 3

7, 9 | 3 5 , 5 | 5

7, 3 | 3

30, 70 | 2 18, 60 | 2 7, 1 | 7

15, 35 | 3 9 , 30 | 2

5, 35 | 5 9, 15 | 3

1, 7 | 7 3 , 5. | 3

1, 1 | 1 1 , 5 | 5

a) 2×3×5×7×1= b)2×2×3×3×5×1= c)2x2x3x3x7=

6 × 35= 4×9×5 4x9x7

3 3 36×5 4 36x7

35 36 36

×6 ×5 ×7 3x3x5=45

210 180 252