117, 234, 351
65, 130, and 195 are.
They are: 52, 104, 156.
221, 442, 663
The LCM of 9 and 13 is 117. Other common multiples include 234 and 351.
13 - 26 - 39 - 52
52, 104, 156
65, 130, 195
The first 10 multiples of 13 are: 13, 26, 39, 52, 65, 78, 91, 104, 117, and 130.
65, 130
Multiples of 13 include 13, 26, 39 and so on. For them to be common, they need to be compared to another set of multiples.
117, 234, 351