Answer :
Factors of 36, 1,2,3,4,6,9,12,18,36
Factors of 45- 1,3,5,9,15,45
The common factors or 36 and 45 are 1, 3 and 9.
Factors of 24- 1,2,3,4,6,8,12,24
Factors or 54- 1,2,3,6,9,18,27,54
The common factors of 24 and 54 are 1,2,3 and 6
Hope this helps
If you are looking for the Greatest Common Factor then
36=3*3*2*2
45=3*3*5
so the GCF=3*3=9
24=2*3*2*2
54=2*3*3*3
GCF=2*3=6
36=3*3*2*2
45=3*3*5
so the GCF=3*3=9
24=2*3*2*2
54=2*3*3*3
GCF=2*3=6