Forum: Prime Gap Searches
2021-02-20, 14:21
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Replies: 232
Views: 41,158
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Forum: Prime Gap Searches
2021-02-09, 14:38
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Replies: 232
Views: 41,158
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Forum: Prime Gap Searches
2021-02-07, 06:38
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Replies: 232
Views: 41,158
"No known gap larger with smaller start"
...
"No known gap larger with smaller start"
https://primegap-list-project.github.io/lists/prime-gaps-high-watermarks/
I'm not sure this list is correct - how can we have the middle of these -...
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Forum: Prime Gap Searches
2021-02-07, 06:30
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Replies: 232
Views: 41,158
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Forum: Prime Gap Searches
2021-02-04, 12:17
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Replies: 46
Views: 2,993
Hi Seth, a couple of questions
Do the...
Hi Seth, a couple of questions
Do the --prp-top-percent and --min-merit handles still work?
Will the program pick up automatically after either ctrl c is pressed, or the power outage, or...
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Forum: Prime Gap Searches
2021-02-03, 16:59
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Replies: 31
Views: 11,718
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Forum: Prime Gap Searches
2020-12-15, 17:19
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Replies: 46
Views: 2,993
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Forum: Prime Gap Searches
2020-12-13, 23:06
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Replies: 46
Views: 2,993
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Forum: Prime Gap Searches
2020-12-13, 12:34
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Replies: 46
Views: 2,993
Thanks Seth
Installed on my big machine -...
Thanks Seth
Installed on my big machine - effortless this time.
The last few questions for today question:
$ ./gap_test.py --unknown-filename 907_53970_1_10000_s15000_l1000M.txt...
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Forum: Prime Gap Searches
2020-12-13, 11:38
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Replies: 46
Views: 2,993
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Forum: Prime Gap Searches
2020-12-13, 10:57
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Replies: 46
Views: 2,993
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Forum: Prime Gap Searches
2020-12-11, 08:57
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Replies: 46
Views: 2,993
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Forum: Prime Gap Searches
2020-12-10, 18:06
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Replies: 46
Views: 2,993
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Forum: Prime Gap Searches
2020-12-10, 11:59
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Replies: 127
Views: 20,870
Hi henryzz
I think you are right, over the...
Hi henryzz
I think you are right, over the long run, deficient primorial offsets are not as efficient as defiicent primorials around the centre point, but they still provide a pretty sparse set of...
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Forum: Prime Gap Searches
2020-12-10, 09:47
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Replies: 46
Views: 2,993
Hi Seth
I don't know what software one needs...
Hi Seth
I don't know what software one needs to have, but searchers like me work in a Windows environment, or have the ability to emulate some other environments through a Windows shell.
Any...
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Forum: Prime Gap Searches
2020-12-05, 10:24
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Replies: 232
Views: 41,158
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Forum: Prime Gap Searches
2020-12-02, 08:00
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Replies: 232
Views: 41,158
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Forum: Prime Gap Searches
2020-11-28, 13:48
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Replies: 232
Views: 41,158
For very large gaps I used the sieve_primes...
For very large gaps I used the sieve_primes routine and then pfgw. Here is a ready to use perl program - clearly change your variables. It produces a pfgw-ready file.
#!/usr/bin/env perl
#...
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Forum: Puzzles
2020-11-28, 11:23
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Replies: 34
Views: 2,200
Got to love it.
The newspapers need to be...
Got to love it.
The newspapers need to be told - the World needs to know :alien:
I suggest the Daily Mail or the Sun in the UK, and Fox News for the telly. And the boys and girls in QAnon, and...
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Forum: Puzzles
2020-11-26, 11:01
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Replies: 34
Views: 2,200
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Forum: Prime Gap Searches
2020-11-14, 09:05
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Replies: 232
Views: 41,158
Cool!
The megagaps I found were based on a...
Cool!
The megagaps I found were based on a deep sieve of promising candidates (perl program) and pfgw for the intermediate composite checking. My largest gap (5m+) took three months to find.
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Forum: Prime Gap Searches
2020-11-03, 15:46
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Replies: 127
Views: 20,870
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Forum: Prime Gap Searches
2020-10-30, 15:39
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Replies: 127
Views: 20,870
There are two major approaches at the moment.
...
There are two major approaches at the moment.
Deficient primorials of the form A*p#/d form the majority of gap records, given that it is at a midpoint of a relatively smooth range 4 merits wide,...
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Forum: Prime Gap Searches
2020-10-29, 09:54
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Replies: 232
Views: 41,158
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Forum: Prime Gap Searches
2020-10-29, 08:05
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Replies: 127
Views: 20,870
Hi Seth
It would be useful, in this and your...
Hi Seth
It would be useful, in this and your other post, #98 if you could explain your variables - so what is "m", "d", "p" "X" - generally, for deficient primorial multiples we have tended to use...
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