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Old 2019-03-11, 16:24   #23
robert44444uk
 
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Jun 2003
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Quote:
Originally Posted by Bobby Jacobs View Post
The 4 primes before and after 15645 are 15619, 15629, 15641, 15643, 15647, 15649, 15661, 15667. Their differences are -26, -16, -4, -2, 2, 4, 16, 22. Therefore, 15645 is only a 3-interprime. Also, 783677 is 47 away from 783630, and 783689 is 59 away. You might want to check your interprime lists.
I already did - I mentioned that I should not rely on Excel spreadsheets and I redid all the range. You should ignore these results and look at post #2
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