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Problem 248. Twins in a Window

Created by Ned Gulley

Twin primes are prime numbers that differ by 2, such as [11,13] or [41,43]. Write a function that returns a sorted list of the twin primes between lowVal and highVal (all the primes must be greater than lowVal and less than highVal). The primes should be arranged in an n-by-2 matrix as shown in the examples below.


 Input  lowVal = 10, highVal = 50
 Output p is [ 11    13
               17    19
               29    31
               41    43 ]
 Input  lowVal = 1000, highVal = 1050
 Output p is [ 1019  1021
               1031  1033 ]


Problem Group

Solution Statistics

108 correct solutions 35 incorrect solutions
Last solution submitted on May 06, 2016

Problem Comments