Ответ:

1) 9
2) 12
1) 30
2) 280
3)80

Задание 1.

1) НСД(36;63) = 9

36 = 2 * 2 * 3 * 3

63 = 3 * 3 * 7

2) НСД(180;312) = 12

180 = 2 * 2 * 3 * 3 * 5

312 = 2 * 2 * 2 * 3 * 13

Задание 2.

1) НСК(15;30) = 30

15 = 3 * 5

30 = 2 * 3 * 5

2) НСК(8;35) = 280

8 = 2 * 2 * 2

35 = 5 * 7

3) НСК(10;16) = 80

10 = 2 * 5

16 = 2 * 2 * 2 * 2