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Forum: Prime Gap Searches 2022-04-21, 02:09
Replies: 122
Views: 35,917
Posted By robert44444uk
Michiel, I sent the candidate to you in an email

Michiel, I sent the candidate to you in an email
Forum: Prime Gap Searches 2022-04-20, 00:54
Replies: 122
Views: 35,917
Posted By robert44444uk
The number is already sieved up to 1e12

The number is already sieved up to 1e12
Forum: Prime Gap Searches 2022-04-20, 00:53
Replies: 122
Views: 35,917
Posted By robert44444uk
It's on hold until I have a machine shipped out....

It's on hold until I have a machine shipped out. I do have the files for the candidate if anyone wants to share the number. I have pfgw files for 4 separate pfgw instances/ consoles - when run in...
Forum: Prime Gap Searches 2022-04-18, 00:51
Replies: 122
Views: 35,917
Posted By robert44444uk
I'm in Australia at present, awaiting my partners...

I'm in Australia at present, awaiting my partners work visa application for Fiji. I'll be in Fiji for 2 years. I won't have my 16 core machine sadly, it would not cope with the heat and humidity. I'm...
Forum: Prime Gap Searches 2022-04-10, 13:02
Replies: 122
Views: 35,917
Posted By robert44444uk
Great result. I'm stepping away from processing...

Great result. I'm stepping away from processing large number of gaps, as I will be in another country for 2 years and wont have the resources.

I will keep plugging away with one gap, which is...
Forum: Prime Gap Searches 2022-02-27, 21:26
Replies: 122
Views: 35,917
Posted By robert44444uk
Michiel - Are you happy to have your record...

Michiel - Are you happy to have your record credited to MJandJKA rather than yourself?
Forum: Prime Gap Searches 2022-02-25, 18:57
Replies: 122
Views: 35,917
Posted By robert44444uk
What a shame - just shy of 7 million. You might...

What a shame - just shy of 7 million. You might want to update Wikipedia once it has been checked.
Forum: Prime Gap Searches 2022-02-24, 18:28
Replies: 45
Views: 10,160
Posted By robert44444uk
I had a look at 5 twins in 39, tested up to...

I had a look at 5 twins in 39, tested up to 2.72e17 and the smallest gap between two sets was 39323130 between 211086473671082921 and 211086473710406051
Forum: Prime Gap Searches 2022-02-23, 06:55
Replies: 122
Views: 35,917
Posted By robert44444uk
Ah, a holy grail. It is really hard work to find...

Ah, a holy grail. It is really hard work to find this type of gap, so massive congrats. I will be only #3 on this list now.
Forum: Prime Gap Searches 2022-02-18, 18:10
Replies: 45
Views: 10,160
Posted By robert44444uk
Small gaps between two sets of 6 twins of the...

Small gaps between two sets of 6 twins of the same pattern do not look very likely, after a week of searching the best I could manage was

Between 1003698437366279 and 1005770184693929 the gap is...
Forum: Puzzles 2022-02-16, 16:53
Replies: 17
Views: 1,904
Posted By robert44444uk
The series includes a couple of large adjacent...

The series includes a couple of large adjacent primes, at the positions shown

889673 and 889687 at position 61984722855
979291 and 979313 at position 68361333199

This contrasts the very long...
Forum: Puzzles 2022-02-14, 18:53
Replies: 17
Views: 1,904
Posted By robert44444uk
Amazing work. But...You numbers overlap I notice...

Amazing work. But...You numbers overlap I notice - see the results for 67 and 73. In my original definition I disallowed overlaps.
Forum: Prime Gap Searches 2022-02-13, 16:47
Replies: 45
Views: 10,160
Posted By robert44444uk
I actually found an overlapping set from the 3rd...

I actually found an overlapping set from the 3rd pattern!


1135141716537970+1 is 3-PRP! (0.0000s+0.0002s)
1135141716537970+3 is 3-PRP! (0.0000s+0.0002s)
1135141716537970+7 is 3-PRP!...
Forum: Prime Gap Searches 2022-02-11, 12:33
Replies: 45
Views: 10,160
Posted By robert44444uk
Wow, only 210 separate these two - pattern 2, (4...

Wow, only 210 separate these two - pattern 2, (4 twins in 33)

200595358412147 200595358411937

I wonder if this is the closest two can get?

Also a slightly large gap (87529363350) from the...
Forum: Prime Gap Searches 2022-02-11, 11:16
Replies: 45
Views: 10,160
Posted By robert44444uk
I thought I would look at differences between...

I thought I would look at differences between 4-twin constellations, (4 twins in 33 integers) using the first pattern listed in mart_r's list, post #22 on this thread. The smallest I have found to...
Forum: Prime Gap Searches 2022-02-11, 08:43
Replies: 45
Views: 10,160
Posted By robert44444uk
I took this up to at least 8.3e19 on all 4...

I took this up to at least 8.3e19 on all 4 possible sets, but the 2^64 barrier considerably slowed this down, so unlikely to take further.
Forum: Puzzles 2022-02-07, 12:36
Replies: 17
Views: 1,904
Posted By robert44444uk
Hah, silly me

Hah, silly me
Forum: Puzzles 2022-02-07, 09:15
Replies: 17
Views: 1,904
Posted By robert44444uk
You have to love the projected result of this...

You have to love the projected result of this exercise - there is exists within the decimal representation of pi, (which is itself just one of an infinite number of irrationals), all of the infinity...
Forum: Prime Gap Searches 2022-02-06, 06:18
Replies: 45
Views: 10,160
Posted By robert44444uk
I'm up to 6e19 in the search for 9 twins (using...

I'm up to 6e19 in the search for 9 twins (using all 4 patterns) in 105 digits without a result.
Forum: Puzzles 2022-02-04, 17:04
Replies: 17
Views: 1,904
Posted By robert44444uk
That's the point at which the next prime has 4...

That's the point at which the next prime has 4 digits. There would be similar inflections at 2 to 3 and 1 to 2 digits as well.

When I inferred that pi is normal in the OP, I meant pi behaves as a...
Forum: Puzzles 2022-02-04, 15:54
Replies: 17
Views: 1,904
Posted By robert44444uk
Primes in order in pi

I am a little surprised I can't find any mention on the web, of the sequence of primes, in order, that might be found in the decimal expansion of pi (3.1415926535..)

The first instance of 2 is at...
Forum: Prime Gap Searches 2022-01-28, 17:32
Replies: 45
Views: 10,160
Posted By robert44444uk
I thought I would look at this again, using...

I thought I would look at this again, using mart_r's table. The idea is that someone could create an entry to OEIS.

These are the first instance primes where the number of twins shown (of which...
Forum: Prime Gap Searches 2022-01-24, 09:11
Replies: 56
Views: 11,077
Posted By robert44444uk
The closest I have gotten to 100 primes following...

The closest I have gotten to 100 primes following 1571162669*193#+129568114146274965711541776666046371290799466131684641935400586161726498035577 is 95 primes, within a period of 8346 compared to the...
Forum: Prime Gap Searches 2022-01-17, 08:56
Replies: 56
Views: 11,077
Posted By robert44444uk
A couple more, getting closer, but not that close...

A couple more, getting closer, but not that close

124977806 92
125316443 90
Forum: Prime Gap Searches 2022-01-15, 11:35
Replies: 56
Views: 11,077
Posted By robert44444uk
A slight improvement in the prime count for n in...

A slight improvement in the prime count for n in n*p#+c+x, where p = 409, c = 492682..., x from 0 to 15900

123733011 91
120673847 88
121848887 88

In terms of sieves, I found it was useful to...
Showing results 1 to 25 of 1000

 
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