2007-05-25, 12:43 | #133 |
Mar 2006
Germany
3^{3}·107 Posts |
k=3045
to Flatlander:
this k is also prime for n=1, 3 and 12 so there're 74 primes at all. i try the low n from 1 to about 20 or 30 for a k i insert in the summaryk-values page if the first prime-n is not 1,2,3 or so. need more small n so everyone post here if they're not in the summary-page yet. regards karsten |
2007-05-25, 18:25 | #134 |
Nov 2004
California
2^{3}×3×71 Posts |
Primes between 10k and 100k
I usually only go up to n=50k for k testing so I'm not sure of the 10k-100k
range, but for the range 10k-50k, 30 primes is usually a pretty good number. Extrapolating that I'd guess 40-50 primes for 10k-100k would be good. |
2007-05-27, 05:39 | #135 |
May 2007
Kansas; USA
10370_{10} Posts |
Primes for k=3545685 from n=150K-175K; continuing
I've now tested k=3545685 to n=175K. There were 2 more primes found for a total of 71 primes so far:
3545685*2^158596-1 3545685*2^163108-1 Gary |
2007-05-29, 05:41 | #136 |
May 2007
Kansas; USA
2×5×17×61 Posts |
No primes k=968911515 for n=150K-175K; continuing
I've now tested k=968911515 from n=150K to 175K. There were no additional primes found. The last prime so far has been at n=107481.
Gary |
2007-05-29, 05:49 | #137 |
May 2007
Kansas; USA
2·5·17·61 Posts |
Primes for k=290499495 for n=150K-175K; continuing
k=290499495 was previously tested in 2003 at least between n=130719 and 173909. I've now tested it straight through to n=175K. The primes that I found between n=150K and 175K were already previously found at n=164741, 166086, 169088, and 173909.
This one now has a total of 109 primes so far. It has now had its gaps filled and with its great performance, I will continue testing it to at least n=300K. Gary |
2007-06-02, 07:18 | #138 |
May 2007
Kansas; USA
2·5·17·61 Posts |
Primes for k=775784295 for n=100K-150K; continuing
I've now tested great-performing k=775784295 up to n=150K. This one was previously tested to n=153530 but had gaps below n=25202 and from n=45852 thru n=132812, which I have now filled. I plan to continue on testing it to at least n=300K.
Below are the 4 primes from n=100K to 150K for a total of 103 primes to this point in my testing and 104 primes total to the n=153530 that was previously found. I list them all for completeness even though 2 of them were previously found and were confirmed by my test. The 2 with the asterisk '*' are new ones that I found. Note that the 100th prime was hit at n=110447. As mentioned previously, the most remarkable thing about this k is that it now has 45 primes between n=10K and n=153530! 775784295*2^110447-1* 775784295*2^118554-1* 775784295*2^132812-1 775784295*2^137131-1 * - Needed to fill gap Gary |
2007-06-02, 07:25 | #139 |
May 2007
Kansas; USA
2×5×17×61 Posts |
Primes for k=3428677395 n=100K-150K; continuing
I've now tested k=3428677395 to n=150K. There was 1 more prime found for a total of 84 primes so far:
3428677395*2^142694-1 Note that were no primes between n=85897 and n=142694. Gary |
2007-06-05, 01:43 | #140 |
May 2007
Kansas; USA
2×5×17×61 Posts |
Primes for k=102765 from n=175K-200K; continuing
I've now tested k=102765 to n=200K. There were 2 more primes found for a total of 87 primes so far:
102765*2^182010-1 102765*2^188795-1 Gary |
2007-06-05, 06:15 | #141 |
May 2007
Kansas; USA
2882_{16} Posts |
No primes k=19437 for n=175K-200K; continuing
I've now tested k=19437 from n=175K to 200K. There were no additional primes found. The last prime so far has been at n=154321.
Gary |
2007-06-08, 06:44 | #142 |
May 2007
Kansas; USA
2·5·17·61 Posts |
Primes for k=1019370495 to n=100K; continuing
I've tested k=1019370495 to n=100K. On the 15K summary site, it shows primes up to n=17K and 3 more between n=135K and n=150K. I found a thread on this site where it lists its primes up to n=42K so some were previously missed.
I checked all of the previously listed primes to n=17K on the summary site against my testing. I found one error. The prime for n=13158 should be n=13958. Attached are all 93 primes up to n=100K. Asterisks shows which primes need to be added to fill the gap and the one that needs to be corrected. I will at least continue this one and fill the gap between n=100K and 135K. I may or may not continue it after that. Gary |
2007-06-09, 18:32 | #143 |
Jun 2004
152_{8} Posts |
k=25935
I've been away from primesearching for a few months now, I switched to the Dutch distributed program which is looking for abc-triplets. However I have one machine running on k=25935:
Code:
25935*2^1-1 25935*2^3-1 25935*2^10-1 25935*2^11-1 25935*2^12-1 25935*2^16-1 25935*2^19-1 25935*2^21-1 25935*2^23-1 25935*2^25-1 25935*2^29-1 25935*2^32-1 25935*2^33-1 25935*2^35-1 25935*2^44-1 25935*2^48-1 25935*2^64-1 25935*2^80-1 25935*2^82-1 25935*2^99-1 25935*2^100-1 25935*2^101-1 25935*2^128-1 25935*2^132-1 25935*2^141-1 25935*2^155-1 25935*2^170-1 25935*2^201-1 25935*2^213-1 25935*2^339-1 25935*2^570-1 25935*2^573-1 25935*2^623-1 25935*2^698-1 25935*2^721-1 25935*2^811-1 25935*2^826-1 25935*2^964-1 25935*2^1120-1 25935*2^1173-1 25935*2^1185-1 25935*2^1225-1 25935*2^1324-1 25935*2^1329-1 25935*2^1392-1 25935*2^1775-1 25935*2^2056-1 25935*2^2576-1 25935*2^2631-1 25935*2^3045-1 25935*2^3488-1 25935*2^3609-1 25935*2^3803-1 25935*2^4653-1 25935*2^4902-1 25935*2^5064-1 25935*2^5210-1 25935*2^5931-1 25935*2^6013-1 25935*2^6978-1 25935*2^7429-1 25935*2^8163-1 25935*2^8316-1 25935*2^9460-1 25935*2^11476-1 25935*2^12448-1 25935*2^13205-1 25935*2^16282-1 25935*2^19583-1 25935*2^22209-1 25935*2^26443-1 25935*2^28532-1 25935*2^29326-1 25935*2^32689-1 25935*2^34226-1 25935*2^42832-1 25935*2^44325-1 25935*2^46144-1 25935*2^47396-1 25935*2^54956-1 25935*2^67599-1 25935*2^69182-1 25935*2^69625-1 25935*2^75563-1 25935*2^81684-1 25935*2^83898-1 25935*2^84676-1 25935*2^91943-1 25935*2^92016-1 25935*2^101560-1 25935*2^117344-1 25935*2^121855-1 25935*2^139225-1 |
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