The phrase "a prominent important" is not correct in written English as it combines two adjectives that convey similar meanings without proper conjunction.
It is not usable in any context due to redundancy.
Example: "The speaker was a prominent important figure in the community." (This should be revised for clarity.)
Alternatives: "a significant figure" or "a notable individual."
Not so long ago, they believed that the Web would immediately become a prominent and important advertising medium, big enough and powerful enough to rank with -- or perhaps even challenge -- television.
An individual is considered prominent, important, or powerful when he/she has a high level of in-degree centrality [ 28].
Through item deletion, we were left with items that cover the most prominent, important and proximal effects of LAM-related HRQL.
Without public attention, the maker movement, which refers to the democratization of access to and information on using tools, has risen from a fringe hobby to a prominent lifestyle with important implications for public concern.
Mid-level theorizing about equal opportunity also plays a prominent role in important contemporary debates about social policy on disability and the ethics of genetic enhancement.
SPP1 is an RGD-binding glycoprotein that plays a prominent role in important steps in breast tumor growth and metastasis [ 18, 33, 34].
A public keynote address by a prominent figure is an important feature of the event.
The redox behavior of copper-based catalysts plays a prominent role in several important chemical processes.
Experimental results showed that fiber failure is a prominent phenomenon and an important reason for the knee point on the dent depth-impact energy curves of composite laminates subjected to low-velocity impact.
In recognition of his life's work, Beth Israel established in 1999 the Moses Nussbaum, MD, Memorial Lecture, which is given each year by a prominent speaker on an important topic in the field of surgery.
