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2008-11-28, 12:09
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#1 |
Mar 2006
Germany
287910 Posts |
Low weight k's
Low weight k's Please post here your results for low weight k's. In the Riesel Prime Database all low weight k's are colored in light blue (see the page 'Definitions' in the Data Section menu). All k's with Nash weight < 1000 are displayed so. Tools for calculating the Nash weight were done by T.Ritschel and can be found here. Last fiddled with by kar_bon on 2008-12-03 at 11:55 |
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2008-11-28, 12:17
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#2 |
May 2007
Kansas; USA
3·7·491 Posts |
Here we go; completion of all k's in the k=600K-1.4M range that show with ZERO primes on rieselprime.org:
Low-weight k's searched to n=100K with primes found: Code:
k: n's prime
491955: 45, 90, 355, 783, 2655, 4663, 8604, 9324, 9823,
13453, 16605, 16974, 17895, 27903
643843: 35
648433: 75
689909: 12, 24, 52, 240, 1116, 2504, 11676, 18000, 28376, 54644
1005449: 204, 41100
1006469: 61356
1011371: 246
1034503: 43, 5971
1180391: 17070, 40230
1210421: 28674
1230877: 6741, 12453
1234949: 676
1283759: 212, 1580
1310437: 20565
1343021: 50, 3170, 89138
Code:
1005671: 120270 1049917*: (none) This leaves the following k's for k=600K-1.4M with zero primes up to n=300K as tested previously and with this effort: 612509 671413 685183 686711 700057 780427 844559 963643 981493 1049917 High-weight 15 k's shown with zero primes at rieselprime.org are in the next post. (->new thread kar_bon) Gary Last fiddled with by kar_bon on 2008-11-28 at 12:34 |
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2008-11-29, 19:07
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#3 |
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Just call me Henry
"David"
Sep 2007
Cambridge (GMT/BST)
10110101111102 Posts |
91350658511197*2^n-1 has no primes up to 1M
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2008-12-03, 03:06
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#4 |
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Dec 2002
22×3×37 Posts |
K=1019 searcehed to 1M - 8, 48, 360, 1688, 2120, 2448, 4872, 32016, 484704
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2008-12-04, 22:47
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#5 |
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Dec 2002
1101111002 Posts |
k=1087 searched to 1m - 25, 73, 97, 1777, 22333, 81973
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2008-12-07, 04:18
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#6 |
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Dec 2002
22·3·37 Posts |
k=3221 searched to 1M - 478, 3070, 7990, 29926, 102946
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2008-12-09, 03:34
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#7 |
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Dec 2002
22·3·37 Posts |
k=3313 searched to 1M - 15, 103, 175, 655, 4743, 928263
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2008-12-10, 21:57
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#8 |
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Dec 2002
22×3×37 Posts |
k=3761 searched to 1M - 810, 9474
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2008-12-13, 01:47
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#9 |
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Dec 2002
22·3·37 Posts |
K=1207 searched to 1M - 61, 265, 10681, 24093, 52353, 106533, 163069, 261625, 269989
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2008-12-14, 17:12
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#10 |
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Dec 2002
22×3×37 Posts |
Partial "old" list
403 searched to 1M - 981831 2039 searched to 1M - 841312 2171 searched to 1M - no new primes 2279 searched to 1M - no new primes 2591 searched 333k to 1M - no new primes 2741 searched to 1M - 50, 138, 1610, 1850, 3954, 10202, 23178, 84858, 468594, 737586 2759 searched to 1M - 388, 405820, 569812 2797 searched to 1M - no new primes 2983 searched to 1M - 11, 671, 767, 2891, 771455 3389 searched to 1M - 92, 848, 2684,23864, 209996, 504584, 749828 3539 searched to 1M - 12, 192, 4236, 869868 3821 searched to 1M - 70, 15814, 439006 3823 searched 333k to 1M - 7, 287, 335, 599, 1015, 2407,...384223 4001 searched to 1M - no new primes 4327 searched to 1M - no new primes 4597 searched to 1M - 37, 161, 221, 721, 112009, 799781 5099 searched to 1M - 184, 1216, 9936, 19072, 27648 5323 searched to 1M - 27, 83, 8651, 107643 7331 searched to 1M - no new primes 9179 searched to 1M - no new primes 9613 searched to 1M - no new primes 10949 searched to 1M - no new primes 17077 searched to 1M - no new primes 19919 searched to 1M - no new primes 21547 searched to 1M - 121, 2233, 16001, 310625, 936473 22183 searched to 1M - no new primes 24067 searched to 1M - no new primes 24671 searched to 1M - 1290, 2250, 11698, 108906, 382066 25229 searched 325k to 1M - no new primes 30727 searched to 1M - no new primes 70079 searched 176k to 1M - no new primes 106303 searched 127k to 1M - no new primes 114613 searched to 1M - no new primes 117037 searched to 1M - no new primes 124679 searched to 1M - 497244, 769908 132217 searched to 1M - no new primes 171607 searched to 1M - no new primes 179743 searched to 1M - no new primes 192509 searched to 1M - no new primes if a starting range is not stated, then I started from n=0 More later.. (kar_bon: "11025 searched to 1M - no new primes" deleted, because not correct) Last fiddled with by kar_bon on 2008-12-22 at 10:54 |
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2008-12-17, 10:39
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#11 |
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Dec 2002
22·3·37 Posts |
k=1183 searched to 1M - 88683 <-- one new prime found
@ kar_bon 11025 has not been searched to 1M, my mistake 
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