84, 168, 252
84, 168, 252
84, 168, 252
84, 168, 252
84, 168, 252
28, 56, 84.
84, 168, 252.
Multiples of 6: 12, 18, 24 Multiples of 7: 14, 21, 28
The total number of integers that are multiples of both 12 and 28 is infinite. Here are the first few: 84, 168, 252, 336, 420, 504, 588, 672, 756, 840 . . .
14, 28, 42
The first seven multiples of 4 are 4, 8, 12, 16, 20, 24, and 28.
280, 560, 840
14, 28, 42