hcf of 72 and 88, hcf of 32 and 88, gcf of 72 and 88, hcf of 72 and 80, hcf of 72 and 84, hcf of 72 and 81, hcf of 72 and 188, hcf of 72 and 98, gcf of 72 and 90, hcf of 72 and 48, hcf of 72 and 99, hcf of 72 and 90 and 126
hcf of 72 and 88. There are any references about hcf of 72 and 88 in here. you can look below.