Very Prime Riesel and Sierpinski k - Page 34

pinhodecarlos · 2012-03-03, 22:14

Quote:

Originally Posted by robert44444uk

I got another 88 E82s this week, including one at 114/10000

I have another 114/10000 but I will show it in next update.

robert44444uk · 2012-03-04, 16:57

Total Riesel VPS are now 3,565

Total supercentenarians (110 and plus) 70

Still think it is a shame that only one of these is >115

pinhodecarlos · 2012-03-05, 12:06

Quote:

Originally Posted by robert44444uk

Total Riesel VPS are now 3,565

I'm averaging 50 new Riesel VPS per day so what's our goal, reach 10,000?

After I am done with my range, R66 from iteration 20 to 100, I would like to just keep going even further. Can R66 be reserved only for me?

Carlos Pinho

Thomas11 · 2012-03-05, 12:47

Persistence pays: During the weekend I found the first E210 VPS:

Code:

S 1547230763761977 210 100/8689 101/10000 K=79916753563828279896266938611356192810163128144777193765 iteration=539 I=110872 Sun Mar  4 03:00:42 2012

These are the current number of primes up to n=10,000 for the best performing sequences so far:

Code:

Just a little technical note:
Starting from E=172 I disabled the Smith check completely, since the sequences are too rare to miss any of them. And from E=180 I adjusted the Nash check parameters to c0=2.0 and c1=15.0.

Thomas11 · 2012-03-05, 12:56

Quote:

Originally Posted by pinhodecarlos

I'm averaging 50 new Riesel VPS per day so what's our goal, reach 10,000?

After I am done with my range, R66 from iteration 20 to 100, I would like to just keep going even further. Can R66 be reserved only for me?

Carlos Pinho

That's a very nice progress, Carlos!

I don't see any arguments against a reservation of R66 solely for you (at least until we have much more coworkers).
E=66 is perhaps the best compromise between speed and performance.

robert44444uk · 2012-03-05, 13:35

Quote:

Originally Posted by Thomas11

Persistence pays: During the weekend I found the first E210 VPS:

[CODE]S 1547230763761977 210 100/8689 101/10000 K=79916753563828279896266938611356192810163128144777193765 iteration=539 I=110872 Sun Mar 4 03:00:42 2012

Just a little technical note:
Starting from E=172 I disabled the Smith check completely, since the sequences are too rare to miss any of them. And from E=180 I adjusted the Nash check parameters to c0=2.0 and c1=15.0.

Oh wow, that puts paid to my thoughts that anything above E178 would be a rare bird indeed. I wonder how this will perform at higher levels? But in any case a stunning find.

robert44444uk · 2012-03-05, 13:50

Quote:

Originally Posted by pinhodecarlos

I'm averaging 50 new Riesel VPS per day so what's our goal, reach 10,000?

After I am done with my range, R66 from iteration 20 to 100, I would like to just keep going even further. Can R66 be reserved only for me?

Carlos Pinho

Hi Carlos, congratulations on reaching your first milestone. You can continue with E66 as we don't have enough workers.

We have a lot of goals, only one reached to date... 120+/10000... and the maximum theoretical on this is 160 I estimate.

Other worthy goals:

1. Most prime series.. Thomas11 has that one at the moment 172/347004 ...but we would like to press on to 180
2. An archiveable Cunningham Chain.. 14/14 at E66 or E82 I think would be archiveable. Best to date, me with 13/13 on E52
3. 100/3000. Thomas11 is in the lead there with 100/3167. Very beatable in my opinion. Likely to come from E28, E36 (not covered by our search), E52,58,60 or 66.
4. Biggest VPS - Thomas11 beat his own record k=8*10^55 see a couple of posts above.
5. Biggest Payam number (excluding trivial factorials/primorials) - this is like watching paint dry. I tried for a long time to get an E268 but nothing to date.

Regards

Robert

Thomas11 · 2012-03-06, 09:14

Quote:

Originally Posted by robert44444uk

Oh wow, that puts paid to my thoughts that anything above E178 would be a rare bird indeed. I wonder how this will perform at higher levels? But in any case a stunning find.

I tested it to n=30,000 so far and it's still below the cut:

S 1547230763761977 210 100/8689 101/10000 112/20000 118/30000

Nevertheless, I will take it a little higher together with the next batch of S66ers.

pinhodecarlos · 2012-03-07, 09:42

I'm slowly approaching 120+/10000, two days ago I got one 116/10000, yesterday one 117/10000...
Also I was wrong, from last 18 days of testing I averaged 66 new Riesel VPS per day and not 50 as I said previously.

robert44444uk · 2012-03-07, 13:35

I'm pleased to see the >115 tally on the Riesel side just tripled!!!

Maybe I should complain some more....

I'm making steady progress on E82, expect to get about 80 VPS this week, I broke about 20 E82 Riesel records, including the following overall Riesel records from the candidate I mentioned earlier:

151 80326 440310850049907 R 82
152 82317 440310850049907 R 82

It has no less than 18,000 n to break the 153 record :)

gd_barnes · 2012-03-08, 11:22

Just a note: I have the first 12 iterations (iterations 0 thru 11) of the Riesel side of E58 working on 5 cores of an I7. ETA should be late next week.

I did find a 112/10000 the first day but nothing more than that in the first 2-3 days. I then ran it to n=50000 and it came in with 139 primes. Not too bad but nothing earch shattering. Interestingly it hit 139 primes at n<38000 but then died.

I'm out of town right now so haven't been able to check the machine further but I will be back Friday. I'll post anything that exceeds the above over the weekend.

Gary

2012-03-05, 12:47	#367
Thomas11 Feb 2003 11101110100₂ Posts	Persistence pays: During the weekend I found the first E210 VPS: Code: S 1547230763761977 210 100/8689 101/10000 K=79916753563828279896266938611356192810163128144777193765 iteration=539 I=110872 Sun Mar 4 03:00:42 2012 These are the current number of primes up to n=10,000 for the best performing sequences so far: Code: S180: 97 S196: 97 S210: 101 S226: 95 Just a little technical note: Starting from E=172 I disabled the Smith check completely, since the sequences are too rare to miss any of them. And from E=180 I adjusted the Nash check parameters to c0=2.0 and c1=15.0.

2012-03-07, 09:42	#372
pinhodecarlos "Carlos Pinho" Oct 2011 Milton Keynes, UK 3×17×97 Posts	I'm slowly approaching 120+/10000, two days ago I got one 116/10000, yesterday one 117/10000... Also I was wrong, from last 18 days of testing I averaged 66 new Riesel VPS per day and not 50 as I said previously. Last fiddled with by pinhodecarlos on 2012-03-07 at 09:45

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2012-03-04, 16:57	#365
robert44444uk Jun 2003 Oxford, UK 11110011101₂ Posts	Total Riesel VPS are now 3,565 Total supercentenarians (110 and plus) 70 Still think it is a shame that only one of these is >115

2012-03-07, 13:35	#373
robert44444uk Jun 2003 Oxford, UK 79D₁₆ Posts	I'm pleased to see the >115 tally on the Riesel side just tripled!!! Maybe I should complain some more.... I'm making steady progress on E82, expect to get about 80 VPS this week, I broke about 20 E82 Riesel records, including the following overall Riesel records from the candidate I mentioned earlier: 151 80326 440310850049907 R 82 152 82317 440310850049907 R 82 It has no less than 18,000 n to break the 153 record :)

2012-03-08, 11:22	#374
gd_barnes May 2007 Kansas; USA 3²×13×89 Posts	Just a note: I have the first 12 iterations (iterations 0 thru 11) of the Riesel side of E58 working on 5 cores of an I7. ETA should be late next week. I did find a 112/10000 the first day but nothing more than that in the first 2-3 days. I then ran it to n=50000 and it came in with 139 primes. Not too bad but nothing earch shattering. Interestingly it hit 139 primes at n<38000 but then died. I'm out of town right now so haven't been able to check the machine further but I will be back Friday. I'll post anything that exceeds the above over the weekend. Gary