72 and 144
The LCM is 72.
72, 144, 216
The first nine multiples of 3.14 are 3.14, 6.28, 9.42, 12.56, 15.7, 18.84, 21.98, 25.12, 28.26 For them to be common, they need to be compared to another set of multiples.
812 is the LCMIt is: 812 and any of its multiples
126, 252 and 378.
36, 72, 108
36, 72, 108.
They are: 36, 72, 108.
90, 180, 270
63, 126, 189.
9, 18, 27, 36, 45, 54, 63, 72.
99, 198, 297, 396, 495.