Question

Determine om.d.c (28,56.70.140): *
O 14
O 12
O
28
O
56​

Answer 1

28, 56, 70, 140 | 2

14, 28, 35, 70 | 2

7, 14, 35, 35 | 2

7, 7, 35, 35 | 5

7, 7, 7, 7 | 7

1, 1, 1, 1 | 1

MMC = 2 . 2 . 2 . 5 . 7 = 280

MDC(28, 56, 70, 140) = 2 . 7 = 14