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Difference between revisions of "Riesel problem 2"
m (Karbon moved page Riesel problem 2nd to Riesel problem 2 without leaving a redirect: renaming) |
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− | {{DISPLAYTITLE: | + | {{DISPLAYTITLE:Riesel problem 2, {{Kbn|-|k|2|n}}, {{Num|509203}} < {{Vk}} < {{Num|762701}}}} |
The '''2nd Riesel problem''' involves determining the smallest [[Riesel number]]s {{Kbn|k|2|n}} for 509203 < {{Vk}} < 762701, the first and second Riesel {{Vk}}-values without any possible primes. | The '''2nd Riesel problem''' involves determining the smallest [[Riesel number]]s {{Kbn|k|2|n}} for 509203 < {{Vk}} < 762701, the first and second Riesel {{Vk}}-values without any possible primes. | ||
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| [[:Category:Riesel 2 2Intervals23|23]] || {{Num|8388608}} || {{Num|16777215}} || ? || {{Num|{{PAGESINCATEGORY:Riesel 2 2Intervals23|R}}}} || ≥ {{PAGESINCATEGORY:Riesel 2 2Intervals23|pages|R}} | | [[:Category:Riesel 2 2Intervals23|23]] || {{Num|8388608}} || {{Num|16777215}} || ? || {{Num|{{PAGESINCATEGORY:Riesel 2 2Intervals23|R}}}} || ≥ {{PAGESINCATEGORY:Riesel 2 2Intervals23|pages|R}} | ||
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− | | [[:Category: | + | | [[:Category:Riesel problem 2|unknown]]<br>[[Riesel problem 2|(Project)]] || {{Num|16777216}} || ∞ || {{#expr:{{PAGESINCATEGORY:2nd Riesel Problem|pages|R}}-3}} || class="color-Done" | 0 || {{#expr:{{PAGESINCATEGORY:2nd Riesel Problem|pages|R}}-3}} |
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Revision as of 08:09, 25 March 2024
The 2nd Riesel problem involves determining the smallest Riesel numbers k•2n-1 for 509203 < k < 762701, the first and second Riesel k-values without any possible primes.
m | nmin | nmax | remain | current | target |
---|---|---|---|---|---|
0 | 1 | 1 | 126,748 | 17 | 18,050 |
1 | 2 | 3 | 108,698 | 26 | 27,596 |
2 | 4 | 7 | 81,102 | 36 | 30,503 |
3 | 8 | 15 | 50,599 | 45 | 23,785 |
4 | 16 | 31 | 26,814 | 17 | 13,631 |
5 | 32 | 63 | 13,183 | 2 | 6,613 |
6 | 64 | 127 | 6,570 | 1 | 3,108 |
7 | 128 | 255 | 3,462 | 0 | 1,485 |
8 | 256 | 511 | 1,977 | 0 | 774 |
9 | 512 | 1,023 | 1,203 | 1 | 422 |
10 | 1,024 | 2,047 | 781 | 0 | 228 |
11 | 2,048 | 4,095 | 553 | 0 | 172 |
12 | 4,096 | 8,191 | 381 | 110 | 110 |
13 | 8,192 | 16,383 | 271 | 66 | 66 |
14 | 16,384 | 32,767 | 205 | 68 | 68 |
15 | 32,768 | 65,535 | 137 | 29 | 29 |
16 | 65,536 | 131,071 | 108 | 26 | 26 |
17 | 131,072 | 262,143 | 82 | 13 | 13 |
18 | 262,144 | 524,287 | 69 | 16 | 16 |
19 | 524,288 | 1,048,575 | 53 | 11 | 11 |
20 | 1,048,576 | 2,097,151 | 42 | 8 | 8 |
21 | 2,097,152 | 4,194,303 | 34 | 6 | 6 |
22 | 4,194,304 | 8,388,607 | 28 | 6 | ≥ 6 |
23 | 8,388,608 | 16,777,215 | ? | 0 | ≥ 0 |
unknown (Project) |
16,777,216 | ∞ | -3 | 0 | -3 |
- Multi Reservation 21: The current nmax = 8,000,000 as of 2024-03-31.
Riesel primes
Base = 2 : |
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