Only the number one.
1, 2, 3, 6, 9, 18 go into 18 evenly.
4 and 2 goes into 36 and 100 evenly. 36/4=9 100/4=25 36/2=18 100/2=50
1, 5 and 25.
1, 5 and 25.
One.
2
Two.
1, 5, 25, 125.
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.
Nothing. because 5 goes into 25 but not into 12. 2 goes into 12 but not 25.--------------------------------------------------------------------------------------------------------------------