gcf of 25 and 28, gcf of 25 and 48, gcf of 25 and 29, gcf of 25 and 26, gcf of 25 and 27, gcf of 25 and 38, gcf of 25 and 20, gcf of 25 and 23, gcf of 25 and 200, gcf of 25 and 24, gcf of 25 and 25, gcf of 25 and 205, gcf of 25 and 21, gcf of 25 and 22, gcf of 25 and 80
gcf of 25 and 28. There are any references about gcf of 25 and 28 in here. you can look below.