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Problem 3016. Twin Primes

Twin primes are pairs of primes that are immediately next to each other (difference of two). The lesser of twin primes are 3, 5, 11, 17, 29, ... ( ref. ). The greater of twin primes are 5, 7, 13, 19, 31, ... ( ref. ). Therefore, the first five twin primes are [3,5] [5,7] [11,13] [17,19] [29,31].

For a given index range n, return the twin primes corresponding to that range as a two-row column array.

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Solution Stats

61.9% Correct | 38.1% Incorrect
Last solution submitted on Oct 13, 2019

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integer prime sequence twin