Question

Determine, pela decomposição em fatores primos, o MMC de:

a) 120, 45 e 56
b) 12, 13 e 47

Answer 1

яєѕρσѕтα:

α) 2520

в) 7332

єχρℓι¢αçãσ:

α) 120, 45, 56 | 2

60, 45, 28 | 2

30, 45, 14 | 2

15, 45, 7 | 3

5, 15, 7 | 3

5, 5, 7 | 5

1, 1, 7 | 7

1, 1, 1 | 1

━━ мм¢ = 2 . 2 . 2 . 3 . 3 . 5 . 7 = 2520

в) 12, 13, 47 | 2

6, 13, 47 | 2

3, 13, 47 | 3

1, 13, 47 | 13

1, 1, 47 | 47

1, 1, 1 | 1

━━ мм¢ = 2 . 2 . 3 . 13 . 47 = 7332