what's the greatest common factor:
12 and 36
33 and 55
18 and 26
17 and 23
54 and 81
56 and 16[
30 and 24
70 and 55
18 and 42
8 and 32
thank you
12 and 36
33 and 55
18 and 26
17 and 23
54 and 81
56 and 16[
30 and 24
70 and 55
18 and 42
8 and 32
thank you
