0
Anonymous
4 factors.
Wiki User
6 factors.6 of them.
6 factors.
Six factors: 1 2 4 13 26 52.
18 has 6 factors.
78 Has 6 factors which are (1,18,2,39,3,26)
6 factors, 1,2,5,10,25,50
6
6 of them.
Four factors in common.
1,3,7,9,21,63 Answer: 6