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Forum: Twin Prime Search 2013-02-07, 01:42
Replies: 253
Views: 26,642
Posted By roger
Apologies, Kar_bon: that would be an oversight on...

Apologies, Kar_bon: that would be an oversight on my part. I've been taking the ranges starting at k=1e6 since they've been searched below that previously. I just didn't take n=15671 off the list...
Forum: Twin Prime Search 2013-01-30, 11:06
Replies: 253
Views: 26,642
Posted By roger
Also, an update on the statistics of where these...

Also, an update on the statistics of where these lowest twins are being found:
Forum: Twin Prime Search 2013-01-30, 10:56
Replies: 253
Views: 26,642
Posted By roger
Guess I forgot to post this a while ago: ...

Guess I forgot to post this a while ago:

16000<n<17000 done.

17000<n<18000 is 30% done.
18000<n<19000 is 7.7% done.

Congrats on your twin, MooMoo2!
Forum: Twin Prime Search 2012-04-24, 21:46
Replies: 253
Views: 26,642
Posted By roger
15000<n<16000 done:

15000<n<16000 done:
Forum: Twin Prime Search 2012-04-10, 21:14
Replies: 253
Views: 26,642
Posted By roger
Small update (been running this project on the...

Small update (been running this project on the back burner)

15000<n<16000 k>2e8 done.
15000<n<16000 2e8<k<3e8 90% done
total: 95.9% done.

also: 3124593081*2^83047+-1 is prime (5th largest on...
Forum: Twin Prime Search 2012-01-26, 04:45
Replies: 2
Views: 2,002
Posted By roger
Thanks, I'll give it a try!

Thanks, I'll give it a try!
Forum: Twin Prime Search 2012-01-25, 01:16
Replies: 2
Views: 2,002
Posted By roger
Standard deviation for twin prime data

I tried to do a standard deviation list to see how the variance changes as does n, but I can't seem to get it right. It's been a long time since I did this high school math.

Maybe I've gone wrong...
Forum: Twin Prime Search 2011-11-27, 08:35
Replies: 253
Views: 26,642
Posted By roger
14k<n<15k done (file attached) time taken (cpu...

14k<n<15k done (file attached)
time taken (cpu hrs): 5781.7

15000<n<16000 k<5e7 done.
15000<n<16000 5e7<k<1e8 54% done
total: 55% done.

16000<n<17000 k<1e7 done.
16000<n<17000 1e7<k<5e7 81%...
Forum: Twin Prime Search 2011-10-16, 08:11
Replies: 253
Views: 26,642
Posted By roger
update: 14000<n<15000 k<1e8 done ...

update:

14000<n<15000 k<1e8 done
14000<n<15000 1e8<k<2e8 79% done
total: 84.7% done.

15000<n<16000 k<5e7 done
total: 43.5% done.

16000<n<17000 k<1e7 done
Forum: Twin Prime Search 2011-08-07, 00:14
Replies: 253
Views: 26,642
Posted By roger
More: 13000<n<14000 done (see attached file)...

More:

13000<n<14000 done (see attached file)

14000<n<15000 k<5e7 done
14000<n<15000 k<1e8 22% done
total 52.1% done

15000<n<16000 k<1e7 done
15000<n<16000 k<2.5e7 53% done
Forum: Twin Prime Search 2011-06-21, 19:55
Replies: 253
Views: 26,642
Posted By roger
Part 2: 12500 26208615 12501 34531851 ...

Part 2:
12500 26208615
12501 34531851
12502 254068527
12503 55382025
12504 92237043
12505 28748145
12506 54455457
12507 131373321
12508 59029497
Forum: Twin Prime Search 2011-06-21, 19:49
Replies: 253
Views: 26,642
Posted By roger
12000<n<13000 is done: Part 1 12000 9581763 ...

12000<n<13000 is done:
Part 1
12000 9581763
12001 19400295
12002 82103883
12003 38082009
12004 10084563
12005 69004461
12006 75568407
12007 62088489
Forum: Twin Prime Search 2011-05-11, 05:19
Replies: 253
Views: 26,642
Posted By roger
Update: 12000<n<13000 k<5e7 done. ...

Update:

12000<n<13000 k<5e7 done.
12000<n<13000 5e7<k<1e8 42% done.
total: 70.5% done.

13000<n<14000 k<5e7 done.
13000<n<14000 5e7<k<1e8 10% done
total: 52.9% done.
Forum: Twin Prime Search 2011-04-23, 21:37
Replies: 253
Views: 26,642
Posted By roger
My CPU is a quadcore Athlon II X4 635 2.90GHz...

My CPU is a quadcore Athlon II X4 635 2.90GHz processor with 6GB DDR3 RAM.
Forum: Twin Prime Search 2011-04-23, 03:22
Replies: 253
Views: 26,642
Posted By roger
For those interested I compiled a series of...

For those interested I compiled a series of benchmarks for the lowest k twin prime search:

for each 1000 n-values (=1 set) I've cut the k-value ranges to search as below:

For each range I...
Forum: Twin Prime Search 2011-04-11, 05:44
Replies: 253
Views: 26,642
Posted By roger
Update: 12000<n<13000 k< 2.5e8 done. ...

Update:

12000<n<13000 k< 2.5e8 done.
12000<n<13000 k< 5e8 39.3% done
total: 47.5% done.

13000<n<14000 k<2.5e8 done.
13000<n<14000 k<5e8 19.4% done.
total: 29.2% done.
Forum: Twin Prime Search 2011-03-14, 03:35
Replies: 253
Views: 26,642
Posted By roger
Complete Update (Mar 13 2011): n<12000 done....

Complete Update (Mar 13 2011):

n<12000 done.
12000<n<13000 k< 1e7 done.
12000<n<13000 1e7<k<2.5e7 71.2% done.
total: 32.4% done.

13000<n<14000 k<1e7 done.
13000<n<14000 1e7<k<2.5e7 4.9%...
Forum: Twin Prime Search 2011-02-26, 06:25
Replies: 253
Views: 26,642
Posted By roger
Part 2: 11500 125632557 11501 96099825 ...

Part 2:


11500 125632557
11501 96099825
11502 2400207
11503 45486321
11504 60725913
11505 4807245
11506 61695075
Forum: Twin Prime Search 2011-02-26, 06:20
Replies: 253
Views: 26,642
Posted By roger
11000<n<12000 done: n k 11000 102736185...

11000<n<12000 done:


n k
11000 102736185
11001 165081255
11002 9083067
11003 13081401
11004 16888965
11005 13485345
Forum: Twin Prime Search 2011-02-08, 23:37
Replies: 253
Views: 26,642
Posted By roger
Update: 11000<n<12000 k<2.5e7 done. ...

Update:

11000<n<12000 k<2.5e7 done.
11000<n<12000 2.5e7<k<5e7 87% done
11000<n<12000 5e7<k<1e8 41.5% done
total: 70.57% done.

12000<n<15000 k<5e6 done.
total: 6.65% done.
Forum: Twin Prime Search 2011-01-28, 05:42
Replies: 253
Views: 26,642
Posted By roger
Also, using the data provided above for lowest...

Also, using the data provided above for lowest twin k per thousand n-values (and incorporating those just found), I have some figures:
Using the extreme points on a log-log chart, angles to each...
Forum: Twin Prime Search 2011-01-28, 04:39
Replies: 253
Views: 26,642
Posted By roger
Update again: 11000<n<12000 k<2.5e7 done. ...

Update again:

11000<n<12000 k<2.5e7 done.
11000<n<12000 2.5e7<k<5e7 23% done
total: 46.4% done

14000<n<15000 k<1e6 done.
14000<n<15000 2.5e6<k<5e6 53.6% done
total: 4.1% done
Forum: Twin Prime Search 2011-01-15, 02:51
Replies: 253
Views: 26,642
Posted By roger
Just a note: There's a typo in the database...

Just a note: There's a typo in the database webpage on the last graph where it says "Here is a graph with some more higher n-values, including all first twins for 10,000 < n <46,000 and k < 100,000...
Forum: Twin Prime Search 2011-01-08, 03:54
Replies: 253
Views: 26,642
Posted By roger
Regarding the graph abovementioned, I didn't use...

Regarding the graph abovementioned, I didn't use the correct method as talked about earlier in this thread and specifically by RD Silverman and Robert44444uk here....
Forum: Twin Prime Search 2011-01-05, 05:19
Replies: 253
Views: 26,642
Posted By roger
Part 2: 10500 160815 10501 71504715 ...

Part 2:


10500 160815
10501 71504715
10502 107853
10503 22870419
10504 98494137
10505 15311709
10506 86735355
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