The Goldbach Conjecture, Part 2 - MATLAB Cody - MATLAB Central

Problem 64. The Goldbach Conjecture, Part 2

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The Goldbach conjecture asserts that every even integer greater than 2 can be expressed as the sum of two primes.

Given the even integer n, return c, the number of different ways two primes can be added to result in n. Only count a pair once; the order is unimportant.

Example:

 Input  n = 10
 Output c is 2

because of the prime pairs [3 7] and [5 5].

 Input  n = 50
 Output c is 4

because of [3 47], [7 43], [13 37], and [19 31].

Solve

Solution Stats

66.86% Correct | 33.14% Incorrect
Last Solution submitted on May 09, 2025

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