4.[Wrong question] A community organized a square dance competition, the number of participants in the 80 ~ 190. When lining up, every 12 people in a row or

12=2×2×3,

16=2×2×2×2,

The least common multiple of 12 and 16 is 2×2×3×2×2=48;

There are the following common multiples of 12 and 16:48, 96...

So the common multiple between 80

The common multiple between 80 and 100 is 96.

A: The total number of participants in a small team competition is 96.

Answer.