The first 15 multiples of 252: 252, 504, 756, 1008, 1260, 1512, 1764, 2016, 2268, 2520, 2772, 3024, 3276, 3528, 3780 . . .
252, 504, 756.
252 and its multiples.
504, 756, 1008
252
The first 15 multiples of 252: 252, 504, 756, 1008, 1260, 1512, 1764, 2016, 2268, 2520, 2772, 3024, 3276, 3528, 3780 . . .
The first 15 multiples of 252: 252, 504, 756, 1008, 1260, 1512, 1764, 2016, 2268, 2520, 2772, 3024, 3276, 3528, 3780 . . .
84, 168, 252
If that's 9, 14 and 21, the first three common multiples are 126, 252 and 378.
84, 168, 252
126, 252 and 378.
84, 168, 252
63, 126, 189, 252, 315.
84, 168, 252
84, 168, 252
126, 252, 378
252, 504, 756.