Question

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Answer 1

Explicación:

27 | 3

9 | 3 = 3³

3 | 3

1

18 | 2

9 | 3 = 2×3²

3 | 3

1

30 | 2

15 | 3 = 2×3×5

5 | 5

1

mcd(27,18,30) = 3

mcm(27,18,30) = 2×3³×5 = 270

42 | 2

21 | 3 = 2×3×7

7 | 7

1

36 | 2

18 | 2 = 2²×3²

9 | 3

3 | 3

1

mcd(42,36) = 2×3 = 6

mcm(42,36) = 2²×3²×7 = 252