Any multiple of 38 is also a multiple of 19.
19, 38, 57.
Multiples of 7: 7, 14, 21, 28, 35,... Multiples of 19: 19, 38, 57, 76, 95,...
Multiples of 19 include 19, 38 and 57. For them to be common, they need to be compared to another set of multiples.
19, 38, 57, 76, 95.
19, 38, 57, 76, 95.
19, 38, 57, 76, 95
Any multiple of 114
19, 38, 57, 76, 95
19, 38, 57, 76, 95, 114.
19, 38, 57, 76, 95, 114, 133 . . . infinity.
114, 228, 342.
19, 38, 57, 76, 95, 114, 133, 152, 171, 190