GreatestCommonFact 
 2 
 4 
 7 
 8 
 9 
 10 
 12 
 15 
 24 
 4
 2
 4
 1
 4
 1
 2
 4
 1
 4
 6
 2
 2
 1
 2
 3
 2
 6
 3
 6
 9
 1
 1
 1
 1
 9
 1
 3
 3
 3
 12
 2
 4
 1
 4
 3
 2
 12
 3
 12
 15
 1
 1
 1
 1
 3
 5
 3
 15
 3
 18
 2
 2
 1
 2
 9
 2
 6
 3
 6
 20
 2
 4
 1
 4
 1
 10
 4
 5
 4
 30
 2
 2
 1
 2
 3
 10
 6
 15
 6
 60
 2
 4
 1
 4
 3
 10
 12
 15
 12