A review of Prime Obsession: Bernhard Riemann and the Greatest Unsolved Problem in Mathematics, by John Derbyshire. With the proof of Fermat’s Last Theorem in 1994, Derbyshire says, “the Riemann ...

For millennia, mathematicians have wondered whether odd perfect numbers exist, establishing an extraordinary list of restrictions for the hypothetical objects in the process. Insight on this question ...

Prime numbers have fascinated mathematicians for centuries, yet many students find them intimidating. Whether you're preparing for competitive exams like JEE, solving number theory problems, or simply ...

The twin primes conjecture is one of the most important and difficult questions in mathematics. Two mathematicians have solved a parallel version of the problem for small number systems. On September ...

Number theorist Yitang Zhang, who went from obscurity to luminary status in 2013 for cracking a century-old question about prime numbers, now claims to have solved another. The problem is similar to — ...

Would you like to be a millionaire? There are several ways to fulfill this dream. For two decades the U.S. edition of Who Wants to Be a Millionaire? promised a million dollars if you could answer 15 ...