You are stupid if you are asking this! go get some brains
Common multiples of 7 and 4 include any multiple of 28.
The first 2 multiples are 42,84.
They are 63 and 126
The first common multiple of 3 4 5 and 7 is 420.
7, 14, 21
21
63
14, 28, and 42
14, 28, 42
42, 84 and 126
63, 126, 189.
14, 28, 42.
14, 28, 42.
14, 28, 42
35, 70, 105
140, 280, 420