The phrase "as its prime objective" is correct and usable in written English.
It can be used to indicate the main goal or purpose of a particular action, project, or organization.
Example: "The organization was established as its prime objective to promote environmental sustainability."
Alternatives: "as its main goal" or "as its primary aim".
The mission was almost immediately dubbed a "successful failure" — a failure since it never achieved its prime objective of landing on the moon.
Its prime objective is to serve as a reference centre for basic actinide research, to contribute to an effective safety and safeguards system for the nuclear fuel cycle, and to study technological and medical applications of transuranium elements.
Its prime objective remains price stability, with real-economy factors relegated to the second order of importance.
The Stardust spacecraft, launched in 1999, has already accomplished its prime objective: collecting dust particles in the tail of comet Wild 2 and returning them in a reentry capsule ejected as Stardust passed by Earth in 2006.
The International Laser Ranging Service ILRSS) was established in September 1998 as a service within the IAG to support programs in geodetic, geophysical, and lunar research activities and to provide data products to the International Earth Rotation Service IERSS) in support of its prime objectives.
Mehdi Jomaa, minister of industry and trade in the Ali Laarayedh cabinet, was appointed as its prime minister.
The archived CIA documents include a draft internal history of the coup titled "Campaign to install a pro-western government in Iran", which defines the objective of the campaign as "through legal, or quasi-legal, methods to effect the fall of the Mosaddeq government; and to replace it with a pro-western government under the Shah's leadership with Zahedi as its prime minister".
Minimizing the cost of pipes is usually considered as a prime objective as its proportion in capital cost of the water distribution system project is very high.
