30,115,210,36,5
Sixteen factor pairs.
2 factor pairs
There are 3 factor pairs of 16.
Three factor pairs
30 and -1
225 has five factor pairs:225,175,345,525,915,15
20 has 3 factor pairs. Pairs are (1,20), (2,10) and (9,9)
The GCF if 30 and 48 is 6.
(30,1)(15,2)(10,3)(6,5)
(15,2)(10,3)
24