The primary function of a search algorithm is to efficiently locate and retrieve specific information from a vast dataset or database. By utilizing predefined criteria, these algorithms analyze data structures to identify relevant results that match a user's query. Search algorithms are central to various applications, such as search engines, databases, and recommendation systems. They employ techniques like ranking, indexing, and filtering to enhance the accuracy and speed of search results. Overall, search algorithms play a crucial role in information retrieval, improving user experience by providing quick access to pertinent data.