The phrase "achieved the largest" is correct and usable in written English.
It can be used when discussing accomplishments or results that surpass others in size, quantity, or extent.
Example: "The company achieved the largest market share in the industry last year."
Alternatives: "reached the highest" or "attained the greatest".
The movie achieved the largest box-office gross in documentary history, and it made Moore famous.
Eritrea's neighbour Ethiopia has achieved the largest decrease in the proportion of the population practising open defecation, from 92% in 1990 to 29% in 2015.
Ethiopia achieved the largest decrease in the proportion of the population having to defecate in the open, from 92% in 1990 to 29% in 2015.
The Liberal Democrat politician David Rendel, who has died aged 67 after suffering from cancer, achieved the largest majority ever recorded by his party when he won the Newbury byelection in May 1993 by more than 22,055 votes.
As part of the 1996 welfare reform legislation, the federal agency began giving states that achieved the largest decline in out-of-wedlock births, without a corresponding increase in abortion rates, cash awards.
If the view of a Greek is not convincing enough, let me refer to independent assessments: both Regling and the Finnish vice-president of the European Commission, Olli Rehn, have repeatedly said Greece has achieved the largest fiscal adjustment of any country in history (more than 12% of GDP in the past three years).
With the adoption of the Model 1842 musket, the U.S. military achieved the large-scale assembly of weapons from uniform, interchangeable parts.
The specimen with the higher fiber ratio generally achieved the larger displacement ductility and the greater energy dissipation, and also better sustained intensive cracking damage.
Compared with [ 45, 47], the dynamic update method achieved the larger mean sensitivity (85.2%) and lower mean fpr (0.04 h−1) by a multichannel EEG feature extraction method.
But the IMF now says the UK is achieving the largest reduction of the deficit of any advanced economy.
Unlike the single-minded approach of the Gore memorandum, the Bush instructions set forth a more adaptable, tactical approach aimed at achieving the largest possible net gain from overseas voters.
