Final answer:
The most valuable factor for increasing a page rank is having a high quantity of links from other highly ranked pages to your site.
Explanation:
Increasing a page rank in search engine results is an important goal for website owners or digital marketers. One valuable way to achieve this is by having a high quantity of links from other highly ranked pages to your site. These links, also known as backlinks, act as votes of confidence for your website and demonstrate its relevance and authority.