Answers

2015-06-07T12:42:07+05:30
 2 | 20,40,70
 2 | 10,20,35
 2 | 5,10,35
 5 | 5,5,35
 7 | 1,1,7
    | 1,1,1
1 5 1
It's correct but I am not asking prime factor method I am asking common multiple method thanks
Wrong