Twin primes and prime bunches in mathematicians’ crosshairs

Major advance made toward proving difficult conjecture

By Dana Mackenzie, 13:55 PM December 6, 2013

A famous conjecture in number theory has stood unproven for more than 150 years, but for the second time this year, mathematicians have gotten dramatically closer to proving it. With a strategy others had abandoned, a young mathematician has narrowed the gap between primes, in hopes of ultimately proving the twin prime conjecture. His work has also shown that prime numbers bunch together in clusters as well as in pairs.

The twin prime conjecture asserts that infinitely many pairs of prime numb...

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