Nothing. because 5 goes into 25 but not into 12. 2 goes into 12 but not 25.
--------------------------------------------------------------------------------------------------------------------
Only 1
1, 5 and 25.
1, 5 and 25.
One.
1, 5, 25, 125.
12
Only the number one (1) goes evenly into both 25 and 27.
1,5,25,125 go into 125 evenly.1,2,4,5,10,20,25,50,100, go into 100 evenly.
Just 1.
1 and 5.
1 and 5.
It is: 1