More than 7.
There are between 1300 and 1400 Comfort Inns in the US.
There are many "hot" franchises to own. It depends upon what industry you are interested in. Many people think of fast food when they mention franchises, but there are dozens of different industries like Automotive, Business Services, Child Franchises, Fitness Franchise, Healthcare Franchises, Coffee Franchises, Mobile Franchises, and many many more.
200 franchises
McDonalds has almost 35,000 restaurants located all over the world. As of 2012, the US is home to 14,157 of these franchises.
10000
Many movie franchises have six sequels. The list of these franchises include Leprechaun, Star Wars, Bloodfist, Firday the Thirteenth, and Police Academy.
Lots
00
Many major businesses are franchises including restaurants like McDonalds and Pizza hut. Some hotels like Hampton inns are franchises. Supercuts, Jiffy lube and 7/11 are a few other examples for franchises.
5 or 6
zero they don't franchise
More than 7.