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 2014-05-18, 17:48 #573 robert44444uk     Jun 2003 Oxford, UK 7E016 Posts I looked at some of Jarek's best Riesels - there are some gems that are being taken to higher levels, but the best of the lot: R 50013530105764248915 60 100/5084 122/10000 146/37900 and counting
2014-05-19, 22:08   #574
robert44444uk

Jun 2003
Oxford, UK

25·32·7 Posts

Quote:
 Originally Posted by robert44444uk I looked at some of Jarek's best Riesels - there are some gems that are being taken to higher levels, but the best of the lot: R 50013530105764248915 60 100/5084 122/10000 146/37900 and counting
157/75000 - will continue with this one

2014-05-21, 07:30   #575
robert44444uk

Jun 2003
Oxford, UK

37408 Posts

Quote:
 Originally Posted by robert44444uk 157/75000 - will continue with this one
And now 161/107700. There was a large gap between the prime at 66052 and 95621 which is a real shame.

This candidate is the easily the second best Riesel at 161/103309, but 5 primes behind the leader.

 2014-05-26, 18:13 #576 Trilo     "W. Byerly" Aug 2013 81*2^2797443-1 1638 Posts Any finds with the 100th prime below 3000 yet?
2014-05-27, 05:53   #577
Jarek

"Jarek Wroblewski"
May 2014
Wroclaw, Poland

516 Posts

Quote:
 Originally Posted by Trilo Any finds with the 100th prime below 3000 yet?
No. I have seven 98/3000 and nothing higher.
You can see all 95/3000 and higher found during my current search in the directory
http://www.math.uni.wroc.pl/~p-k1g4/VPS/?C=M;O=D
file all95@3K.txt

This file is being updated whenever I look at the results.

2014-05-28, 06:44   #578
robert44444uk

Jun 2003
Oxford, UK

201610 Posts

Quote:
 Originally Posted by Jarek No. I have seven 98/3000 and nothing higher. You can see all 95/3000 and higher found during my current search in the directory http://www.math.uni.wroc.pl/~p-k1g4/VPS/?C=M;O=D file all95@3K.txt This file is being updated whenever I look at the results.
To avoid duplication I am in the latter stages of taking all of Jarek's finds, posted as 88@3K-1 and 88@3K-2 to at least 10K.

There are a couple of new 120+/10000 so far in the batch, the best of which is 125/10000, equal to the record. There are over 20 with 115+

R 54111151145860262601 60 100/4307 125/10000 135/20000 141/30000 144/67756 - stopped
R 59654515826093904233 58 100/4287 122/10000 133/20000 138/30000 - stopped

Checking lower down, one of the longest standing records has been 74/1000, but two Sierpinskis, quite "close" to each other in terms of k value, produced 75/1000

S 75807413108261155157 60 75/1000 109/10000
S 73489559227095936793 60 75/1000 105/10000

Last fiddled with by robert44444uk on 2014-05-28 at 07:23

2014-05-28, 07:30   #579
robert44444uk

Jun 2003
Oxford, UK

111111000002 Posts

Quote:
 Originally Posted by robert44444uk And now 161/107700. There was a large gap between the prime at 66052 and 95621 which is a real shame. This candidate is the easily the second best Riesel at 161/103309, but 5 primes behind the leader.
I ended this search at 169 primes

R 50013530105764248915 60 100/5084 122/10000 159/100000 169/187260

 2014-06-14, 11:29 #580 Jarek   "Jarek Wroblewski" May 2014 Wroclaw, Poland 5 Posts Finally, I just got it !!! R 1640793485632684817 100 100/3000
2014-06-14, 11:43   #581
robert44444uk

Jun 2003
Oxford, UK

25×32×7 Posts

Quote:
 Originally Posted by Jarek Finally, I just got it !!! R 1640793485632684817 100 100/3000
Very many congratulations, Jarek. A major find.

I will take this one up to see how it performs

Last fiddled with by robert44444uk on 2014-06-14 at 11:49

2014-06-14, 12:13   #582
robert44444uk

Jun 2003
Oxford, UK

25×32×7 Posts

Quote:
 Originally Posted by Jarek Finally, I just got it !!! R 1640793485632684817 100 100/3000
Actually this was 100/2570, blowing the record away!

Other astounding stats, it was only 69/1000, but 80/1190! It got to 119/10000 so not the best, but still very robust with 125/13000

 2014-07-13, 11:52 #583 robert44444uk     Jun 2003 Oxford, UK 111111000002 Posts I finally got to take all of Jarek's 6,664 candidates at 88 or more at 3K up to 10K, and then to take all those at 114 or more to 20K I can't post all of the results for obvious reasons, but in general, all records have been blown away and it will take a long time before I can construct the records table. There are on average 10 or more candidates that beat the Riesel records at any level of n between 1000 and 20000. A list of those that are 130 or more at 20K (and 114 or more at 10K) is shown below, I have already started taking most of these up to 50K. In this post are the stars, in the next some statistics Code: S/R M y 10K 20K S 53x61 5254406290016627149 119 136 R 61 54111151145860262601 125 135 S 67 132874844545926904079 120 135 R 59 59654515826093904233 122 133 R 53 52052849362908139779 117 133 R 83 12204165318496075939 115 133 R 61 50013530105764248915 122 132 R 53 23971910160715957653 121 132 R 101 25747131124396625929 120 132 R 101 1640793485632684817 119 132 R 61 21392794569384899731 116 132 S 67 21673540652538543435 116 132 S 53x61 2435424994198853557 116 132 S 59 3735959948688708639 115 132 S 61 25320576989821784981 125 131 S 83 77768053610557101865 123 131 S 61 26510864838669015851 120 131 R 67 37905278470968590827 119 131 S 61 32876350375831499005 118 131 R 67 36638805119351662083 117 131 S 67 47176934193180632513 117 131 S 101 42564402345755029091 117 131 R 59x67 49817171332553543619 116 131 S 83 12579662575136809647 116 131 S 101 124551114605314947 116 131 S 61 33408563159599168199 115 131 S 83 137659329089344149093 115 131 R 59x67 33967996189713657281 114 131 S 67 29980027676153940091 114 131 S 53 28701065754597860047 119 130 S 61 29782704902101681187 119 130 S 101 15596237216944427549 118 130 R 67 25251715839199933629 117 130 R 101 52889672364117448319 117 130 S 61 19110518425938234561 117 130 S 59 10478622225841902593 116 130 R 61 68995088315679886437 115 130 R 101 7970728737809036685 115 130 S 59x67 12639966463444216893 115 130 R 59 64633568438922733131 114 130

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