Question

M.m.c de 40,30.......20,45,21.......36,28,34 100,54.....24,36,90

Answer 1

40 e 30

40, 30 / 2
20, 15 / 2
10, 15 /2       = 120
5, 15   /5
1, 3     /3 
1, 1 

20, 45 e 21

20, 45, 21 /2
10, 45, 21 /2
5, 45, 21   /5        = 1260
1, 9, 21     /3
1, 3, 7       /3
1, 1, 7       /7
1, 1, 1

36, 28, 34

36, 28, 34 /2
18, 14, 17 /2
9, 7, 17     /3         = 4284
3, 7, 17     /3
1, 7, 17     /7
1, 1, 17     /17
1, 1, 1       

100 e 54

100, 54 /2
50, 27   /2
25, 27   /3
25, 9     /3      = 2700 
25, 3     /3
25,1      /5
5, 1       /5
1, 1

24, 36 e 90

24, 36, 90 /2
12, 18, 45 /2
6, 9, 45     /2        = 360
3, 9, 45     /3
1, 3, 15     /3
1, 1, 5       /5
1, 1, 1