117, 234, 351
221, 442, 663
26, 52, 78
117, 234, 351
117, 234, 351
They are: 52, 104, 156.
117, 234, 351
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
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.