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Old 2019-04-30, 10:39   #2
robert44444uk
 
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Jun 2003
Oxford, UK

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I just ran up a quick program to check for 5 twins in a range of 51, a subset of 14 prime spots, of which the twins are 0,2..6,8..18,20..30,32..48,50 (not the most efficient constellation)

The first primes in the first few such sets are

11, 325267931, 905119331, 2013256361, 3066212111, 10816172201, 22194295811, 23641113911

Last fiddled with by robert44444uk on 2019-04-30 at 10:52
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