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].
Solution Stats
Problem Comments
3 Comments
Solution Comments
Show comments
Loading...
Problem Recent Solvers2413
Suggested Problems
-
Find the longest sequence of 1's in a binary sequence.
6683 Solvers
-
5020 Solvers
-
1375 Solvers
-
Find state names that start with the letter N
1431 Solvers
-
Getting the absolute index from a matrix
254 Solvers
More from this Author96
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
For some reason the 'nthprime' function is not recognized, however it works for me in my desktop MATLAB.
@Dima Panna 'nthprime' uses symbolic math toolbox which is not supported in cody
I have used same solution approach as in goldbach conjecture part 1.