10, 13, 15, 28, 38: No, these are not the numbers of last night's Cash 5 drawing.
They are amounts of fiber in grams. The last two, 28 and 38, are what the United States Department of Agriculture determines to be sufficient daily amounts for females and males.
The first two, 10 and 13, are what a study done at Georgia Health Sciences University found female and male teenagers ingest. The middle number, 15, is the USDA's estimate for the average American.