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2014-05-26T00:21:01-03:00
40,18,21| 2
20,9,21  
 2
10,9,21   2
5,9,21     3
5,3,7       3 
5,1,7       5 
1,1,7       7
1,1,1  

MMC (40,18,21)= 2520
2.2.2.3.3.5.7=2520
3 5 3
2014-05-26T01:59:01-03:00
40,18,21 | 2
20,8,21 |2 
10,4,21 |2
5,2,21 | 2
5,1,21 |5
1,1,21 | 3
1,1,7 | 7
= 1680