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Goldbach conjecture

American  
[gohld-bahk] / ˈgoʊld bɑk /

noun

Mathematics.
  1. an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.


Etymology

Origin of Goldbach conjecture

First recorded in 1940–45

Example Sentences

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For all practical purposes, we’re 0% of the way to checking that the Goldbach conjecture is true for numbers up to Graham’s number.

From Scientific American • Apr. 1, 2014