What Are Millennium Prize Problems?
What Are Millennium Prize Problems?
Poincaré Conjecture
(Image Credit: IntuitiveScience)
Gregori Perelman
(Image Credit: IntuitiveScience)
Poincaré Conjecture
(Image Credit: Clay Mathematics Institute)
June 20, 2025
Haden Acfalle
11th Grade
George Washington High School
The Millennium Prize Problems consist of seven eminent and unsolved mathematical problems, which include the Birch and Swinnerton-Dyer Conjecture, the Hodge Conjecture, the Navier-Stokes Existence and Smoothness Problem, the P Versus NP problem, the Riemann hypothesis, the Yang-Mills Existence and Mass Gap, and the Poincaré Conjecture. The Clay Mathematics Institute—located in Cambridge, Massachusetts—offers one million dollars for the first correct solution to each of the seven Millennium Prize Problems. Two mathematicians, John Tate and Michael Atiyah, both announced awards given to individuals who correctly solve the problems.
The prizes were announced at a meeting on May 24, 2000, which was held in Paris. They are named the “Millennium” Prize because the announcement was made in the year 2000, celebrating the new millennium. However, a question lingers for many: “Has anyone solved any of the problems yet?”
Three years after the million-dollar prize was announced, a man named Grigori Perelman, a Russian mathematician and geometer, solved the Poincaré Conjecture. However, in 2010, Perelman declined the large sum along with the Fields Medal, which is the highest honor in mathematics. According to the Department of Mathematics at Columbia University, Perelman stated, “To put it short, the main reason is my disagreement with the organized mathematical community…I don’t like their decisions, I consider them unjust.” Now living a quiet life in Saint Petersburg, Russia, Perelman has chosen to keep his life enclosed since 2006. Since the solving of the Poincaré Conjecture, no one has yet solved another Millennium Prize Problem.
As of today, six of the Millennium Prize Problems still remain unsolved. Many mathematicians and researchers are actively working to solve these problems, motivated by the $1 million prize offered by the Clay Mathematics Institute. Groups at various prestigious schools—such as Harvard University, Massachusetts Institute of Technology, Princeton University, and California Institute of Technology—continue to pursue solutions to these rigorous equations. Although the solutions of the Millennium Prize Problems remain a question, determination and perseverance continue to thrive even after 25 years. Many new techniques have emerged as a result of the extended efforts dedicated to solving these problems. The impact of these challenges has inspired youth and younger generations to take an interest in mathematics. These problems continue to serve as a source of inspiration for aspiring and growing mathematicians, offering the potential for groundbreaking discoveries.
The Millennium Prize Problems have shown us the hope that like-minded individuals can bring when they gather together to work cooperatively, exploring many different and unique approaches to solving these challenges. Mathematics alone reflects the innovation and ideas that emerge from collaborative communities and meaningful connections. This is the true beauty of mathematics.
"The mathematician's patterns, like the painter's or the poet's must be beautiful; the ideas like the colors or the words, must fit together in a harmonious way."
- G.H. Hardy
Reference Sources
Hosch, William. “Millennium Problem | Mathematics.” Encyclopedia Britannica,
www.britannica.com/science/Millennium-Problem.
Khan, Aasma. “Grigori Perelman: The Mathematician Who Refused a Million Dollars.” Yourstory.com, YourStory, 15 Feb. 2025,
yourstory.com/2025/01/grigori-perelman-mathematical-genius.
Revanentcreatives. “Debunking of the Poincaré Conjecture and Its Importance.” Intuitive Science, 28 Apr. 2017,
Woit. “Perelman Turns Down Millennium Prize.” Not Even Wrong, July 2010,