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{{Stub}}
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__NOTOC__{{Stub}}
*Name: [[Riesel Prime Search]] 3rd Megabit Drive
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==Purpose==
*Purpose: The goal of this drive is to search for primes of the form {{Kbn|k|n}} for k=<300 and n>1400000.
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The goal of this drive is to search for primes of the form {{Kbn|k|n}} for {{Vk}} &le; 300 and {{Vn}} > 1400000.
*Link: [https://www.mersenneforum.org/showthread.php?t=19398 Mersenne Forum]
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*Started:2014-05-30
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==Started==
*Ended
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*2014-05-30
*k-values:
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:203, 205, 219, 227, 235, 257, 259, 275, 295
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==Ended==
*n-values:  
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*2022-03-09
:n > 1400000
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=={{Vk}}-values==
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:'''2014-05-30''': {{Vk}} = 203, 205, 219, 227, 235, 257, 259
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:'''2014-06-03''': adding {{Vk}} = 275, 295
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:'''All for drive:''' {{Vk}} = 203, 205, 219, 227, 235, 257, 259, 275, 295
  
 
==Data table==
 
==Data table==
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The data file can be found [[:File:RPS Megabit Drive 3 k-values.csv|here]]. All {{Vk}}'s searched for 1400000 &le; {{Vn}} &le; 2222000.
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{{#get_web_data:url=https://www.rieselprime.de/z/images/9/9c/RPS_Megabit_Drive_3_k-values.csv|format=csv with header|delimiter=;|data=k=k,nash=nash,cand=cand,count=count,n=n}}
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<div style="width:50em; height:325px; overflow:auto;">
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{| class="wikitable sortable" style="height: auto"
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! data-sort-type="number" class="fixhead" | {{Vk}}-value
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! data-sort-type="number" class="fixhead" | [[Nash weight|Nash]]
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! data-sort-type="number" class="fixhead" | Candidates
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! data-sort-type="number" class="fixhead" | # primes
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! data-sort-type="text" class="fixhead" | prime(s) for {{Vn}}
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{{#for_external_table:<nowiki/>
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{{!}}-
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{{!}} style="text-align:right" {{!}} [[Riesel prime 2 {{{k}}}|{{{k}}}]]
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{{!}} style="text-align:right" {{!}} {{{nash}}}
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{{!}} style="text-align:right" {{!}} {{{cand}}}
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{{!}} style="text-align:right" {{!}} {{{count}}}
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{{!}} style="text-align:left" {{!}} {{{n}}}
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}}
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|}</div>
  
==Found primes==
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==Range history==
:203 [0]:
 
:205 [2]: 1537779, 1666435
 
:219 [0]:
 
:227 [0]:
 
:235 [2]: 1718787, 1824515
 
:257 [1]: 1658254
 
:259 [1]: 1695723
 
:275 [1]: 1846390
 
:295 [1]: 1832129
 
  
==Range history==
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==External Links==
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*[https://www.mersenneforum.org/showthread.php?t=19398 Thread] at [[MersenneForum]]
  
[[Category:RPS 3rd Megabit Drive| ]]
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{{Navbox Riesel Prime Search}}
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[[Category:Riesel Prime Search|Megabit Drive 3]]

Latest revision as of 07:45, 30 July 2024

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Purpose

The goal of this drive is to search for primes of the form k•2n-1 for k ≤ 300 and n > 1400000.

Started

  • 2014-05-30

Ended

  • 2022-03-09

k-values

2014-05-30: k = 203, 205, 219, 227, 235, 257, 259
2014-06-03: adding k = 275, 295
All for drive: k = 203, 205, 219, 227, 235, 257, 259, 275, 295

Data table

The data file can be found here. All k's searched for 1400000 ≤ n ≤ 2222000.

k-value Nash Candidates # primes prime(s) for n

203 1687 23371 0
205 1351 19486 2 1537779, 1666435
219 1069 14363 1 2178673
227 2550 34112 0
235 1563 21706 3 1718787, 1824515, 2163273
257 1867 26086 2 1658254, 2108554
259 1561 21162 1 1695723
275 1581 22195 1 1846390
295 1266 16545 1 1832129

Range history

External Links

Riesel Prime Search