Support Provided ByLearn More

Twin Prime Conjecture

New insight into a 2,300-year-old mystery surrounding prime numbers inspires a song.
Publish Date: Topic: Physics + MathPhysics & MathBrand: NOVA ScienceNOWNOVA ScienceNOW

(This video is no longer available for streaming.) Prime numbers—those that can only be divided by themselves and one—bear a mystery. Why do primes tend to pair up? Five and seven, for example, are prime, as are 41 and 43, and 101 and 103. For millennia, mathematicians have wondered: Does this continue no matter how high one counts? As this video and its original song reveal, a mathematician has just given us an answer to this age-old enigma.

Support Provided ByLearn More

Explore More

Funding for NOVA scienceNOW is provided by the National Science Foundation, the Alfred P. Sloan Foundation, and PBS viewers.

Major funding for NOVA is provided by the David H. Koch Fund for Science, the Corporation for Public Broadcasting, and PBS viewers. Additional funding is provided by the NOVA Science Trust.