Forum: Puzzles
2021-02-28, 02:52
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Replies: 23
Views: 1,275
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Forum: Prime Gap Searches
2021-02-21, 14:52
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Replies: 232
Views: 41,815
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Forum: Puzzles
2021-02-11, 23:54
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Replies: 23
Views: 1,275
I am talking about blocked crosswords. By the...
I am talking about blocked crosswords. By the way, your blocked crossword contains some 1-letter words (unchecked letters). Every letter must be part of a word going across and a word going down.
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Forum: Puzzles
2021-02-06, 02:47
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Replies: 23
Views: 1,275
Crosswords
Crosswords usually obey the following 3 rules.
1. The grid is symmetrical, the same upside-down.
2. The grid is connected.
3. Every word has at least 3 letters.
What is the most words that...
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Forum: Prime Gap Searches
2021-01-23, 23:54
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Replies: 127
Views: 21,237
When d=6, the coprimes are 1 and 5, so the center...
When d=6, the coprimes are 1 and 5, so the center is not very dense. When d=30, the coprimes are 1, 7, 11, 13, 17, 19, 23, 29, so the center is dense. When d=210, the coprimes are 1, 11, 13, 17, 19,...
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Forum: Prime Gap Searches
2021-01-11, 19:17
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Replies: 2
Views: 590
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Forum: Prime Gap Searches
2020-12-27, 17:41
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Replies: 37
Views: 12,537
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Forum: Prime Gap Searches
2020-12-16, 21:13
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Replies: 46
Views: 3,287
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Forum: Prime Gap Searches
2020-12-05, 22:39
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Replies: 227
Views: 39,044
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Forum: Prime Gap Searches
2020-11-22, 19:40
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Replies: 37
Views: 12,537
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Forum: Prime Gap Searches
2020-11-08, 19:06
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Replies: 227
Views: 39,044
It is weird that we know all twin prime gaps up...
It is weird that we know all twin prime gaps up to 4426 in the numbers up to 1.05e15. However, we have searched up to 1.84467e18 for regular prime gaps, and we have still not found a gap of 716. That...
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Forum: Prime Gap Searches
2020-10-28, 21:30
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Replies: 127
Views: 21,237
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Forum: Prime Gap Searches
2020-10-17, 22:47
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Replies: 232
Views: 41,815
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Forum: Prime Gap Searches
2020-10-03, 18:21
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Replies: 127
Views: 21,237
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Forum: Prime Gap Searches
2020-09-24, 22:44
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Replies: 140
Views: 23,357
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Forum: Prime Gap Searches
2020-09-13, 22:18
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Replies: 232
Views: 41,815
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Forum: Miscellaneous Math
2020-09-01, 23:49
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Replies: 10
Views: 3,434
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Forum: Prime Gap Searches
2020-08-22, 15:20
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Replies: 52
Views: 17,503
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Forum: Prime Gap Searches
2020-08-09, 19:50
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Replies: 227
Views: 39,044
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Forum: Prime Gap Searches
2020-07-30, 22:26
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Replies: 4
Views: 3,083
The program does not seem to be working on my...
The program does not seem to be working on my computer, so I will let you have the range. I guess it was OK for you to have an infinite range. By the way, the reason that I started a new thread is...
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Forum: Prime Gap Searches
2020-07-19, 21:50
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Replies: 4
Views: 3,083
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Forum: Prime Gap Searches
2020-07-08, 21:06
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Replies: 52
Views: 17,503
Unfortunately, the sequences of gaps between...
Unfortunately, the sequences of gaps between record gaps between record prime gaps and record gaps between record gaps between record prime gaps are no longer on OEIS anymore. The sequences A326747,...
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Forum: Prime Gap Searches
2020-06-28, 21:10
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Replies: 227
Views: 39,044
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Forum: Prime Gap Searches
2020-06-19, 16:57
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Replies: 37
Views: 12,537
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Forum: Prime Gap Searches
2020-06-07, 23:08
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Replies: 6
Views: 3,577
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