The phrase "a foremost factor" is correct and usable in written English.
It can be used to emphasize the importance or primary role of a particular element in a given context.
Example: "In determining the success of the project, a foremost factor was the team's ability to collaborate effectively."
Alternatives: "a key element" or "a primary consideration".
We argue here that the first and the foremost factor in making a wasteland into a sustainable production system is to instill a sense of ownership among the farmers.
A "young, tight wine" will benefit from some "time to breathe," While, if time is on your side, "an hour or two decant can make a big difference in how a powerful red wine reveals itself". Huynh believes time is the "foremost factor" in determining whether or not to decant.
Most of the amide derivatives exhibited potent cytotoxicity, with the size of the introduced substituents being the foremost factor in determining the resultant cytotoxic activity.
"Sweet areas" evaluation should consider the three aspects of geology, engineering and economics comprehensively, and the maturity of source rocks is first and foremost factor controlling the "sweet area" distribution.
Because technological development is the foremost factor used to explain economic growth we further analyse the role of EU RTD policy to diffuse technology from the economically more advanced to the less advanced regions.
When it comes to trusting a business online, returning to that site, and even recommending that site to peers, studies have shown that customer service is the first and foremost factor.
Most shipping companies take this as their foremost factor, followed by distance, when offering their quote.
Given that a shared in utero environment is one of the foremost factors differentiating DZ from nontwin siblings, these findings again suggest that intrauterine factors, such as the elicitation of deleterious antibodies or differential recruitment of maternal resources, may represent additional sources of variability contributing to the risk of ASD.
The research shows that land use is one of the foremost factors affecting soil erosion, both in ancient and modern periods, with particular impact during the Aztec period.
Pearson matrix predicts that agricultural land, built up, horticultural land and wasteland seem to be the foremost factors responsible for the deterioration of the water quality of the lake.
