Verified 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=3322
45=3
35
so the GCF=3
3=9

24=2322
54=2
333
GCF=2*3=6