The phrase "a primary factor to" is not correct in standard written English.
It is typically used when discussing the importance or influence of something in relation to a particular outcome or situation, but the preposition "to" is not appropriate in this context.
Example: "A primary factor in the success of the project was effective communication among team members."
Alternatives: "a primary factor in" or "a key contributor to".
In vertical ensemble framework, classifier diversity is a primary factor to guarantee accuracy.
This includes using race as a primary factor to associate the Asian American members of my band with a racial slur.
The slowdown of folding, rather than the fast expression of fusion protein, should be a primary factor to drive the expressed fusion protein to inclusion bodies.
A highly productive strain is the primary factor to achieve an industrial level succinate production.
Epidemic populations of red oak borer, Enaphalodes rufulus (Haldeman), a native wood-boring cerambycid beetle, appear to be a primary factor contributing to oak mortality across the Ozark Mountains of Arkansas, Oklahoma and Missouri.
In addition, treeholes are variable in space and time and are subject to drought, a major disturbance to these communities that may be a primary factor contributing to temporal changes in community structure [ 24- 26].
A primary factor contributing to these scenarios is the time it takes for people to evacuate a building.
Disturbance to native plant communities, whether natural or management induced, is a primary factor contributing to successful invasion by exotic plant species.
A high pressure ridge sitting of California's coast for several years (known as the "Ridiculously Resilient Ridge" for its persistence) has been a primary factor contributing to the low levels of precipitation.
It is commonly believed that large particle size difference between the drug and excipients is a primary factor contributing to segregation.
Half of the 10 regions assessed, including the United States, Iceland, and New Zealand, have cut exploitation rates (the proportion of a total population of fish that are caught), which is a primary factor leading to collapse.
