It's a matter of context. Something prominent stands out, is easily noticeable. Some root as Promontory (a high rock cropping)
So:
A prominent individual is an important man.
But:
The use of imported slaves grew more prominent as plantations grew larger
In the second context it would mean common.
That would mean, the kind of pet that lots of people own, such as a dog or cat. If you had a pet penguin, that would not be a common pet.
Did you mean the highest common factor? That would be 125. The least common factor would be 1.
Right hilar prominent
what is prominent portal vein with secondary prominence of the head of the pancreas
preeminent - leading, most important, outstanding
It means handsome or prominent.
-adjective1.standing out so as to be seen easily; conspicuous; particularly noticeable: Her eyes are her most prominent feature.2.standing out beyond the adjacent surface or line; projecting.3.leading, important, or well-known: a prominent citizen.
Prominent in medical terms has the same meaning as in lay terms; it means the feature stands out. For instance, varicose veins are prominent.
Stands out amongst others.
I will assume that you mean greatest common factor, in that case it would be 12.
If you mean that 20 and 11 would be the denominators, then they would only share the common "d" of 220 which would be 20x11. I hope that answers your question!!!!!!
One word would be "common" as in "greatest common factor" or "least common multiple".