Find the GCF of the given mumber pairs using factor tree. For the computation use the pace provided.
1.16 and 24
2.20 and 18
3.8 and 12
4.32 and 40
5.48 and 27
6.63 and 72
7.36 and 45
8.15 and 30
9.18 and 27
10.16 and 30
