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  • ...}. On the other hand, 15 = 16 − 1 = {{Kbn|4}}, for example, is not a prime, because 15 is divisible by 3 and 5. ...ion; in the 4th century BC [[Euclid]] demonstrated that if M is a Mersenne prime then M(M+1)/2 is a perfect number. Two millennia later, in the 18th century
    5 KB (857 words) - 14:53, 19 September 2021
  • *{{Kbn|+|78557|18n+15}} is multiple of 19. (those values form a [[covering set]] of {3, 5, 7, 13, 19, 37, 73}) we can prepare the following table for the exponents modulo 36:
    5 KB (650 words) - 10:25, 26 March 2024
  • {{Riesel prime {{HistR|2008-05-19|Gary Barnes|133645}} for {{Vn}} ≤ 500000
    937 bytes (101 words) - 03:42, 25 July 2024
  • ..., 23 is a Sophie Germain prime because it is a prime and 2*23+1 = 47, also prime. | 19 || 281 || {{NRi|141|1}}
    1 KB (171 words) - 04:26, 3 November 2020
  • {{DISPLAYTITLE:Riesel problem, {{Kbn|-|k|2|n}}, {{Vk}} < {{Num|509203}}}} The '''Riesel problem''' involves determining the smallest [[Riesel number]].
    7 KB (691 words) - 00:28, 25 August 2024
  • {{Riesel prime 19;C:'''[[M7]]''', {{NWo|+|15}}, {{NWo|512|2}}, {{NWo|4|8}}, {{NWo|512|2}}, {{
    2 KB (298 words) - 10:52, 22 October 2024
  • {{Riesel prime 38;C:{{NWo|8|12}}, {{NWi|MM|4|19}}
    5 KB (544 words) - 06:06, 13 October 2024
  • {{Riesel prime {{HistF|2008-11-19|2460482|Peter Benson|149860}}
    3 KB (283 words) - 17:14, 25 September 2024
  • {{Riesel prime {{HistF|2022-05-19|10612737|Ryan Propper}}
    5 KB (492 words) - 16:15, 7 September 2024
  • {{Riesel prime {{HistC|2010-11-19|600000|NPLB Drive 11|237764}}, released
    4 KB (393 words) - 22:44, 17 July 2024
  • {{Riesel prime {{HistC|2020-12-19|none|Tyler NeSmith}}, released
    2 KB (191 words) - 21:08, 17 July 2024
  • {{Riesel prime |RDate=2024-04-19
    3 KB (335 words) - 07:04, 9 September 2024
  • {{Williams prime |WiDate=2024-10-19
    616 bytes (75 words) - 05:11, 20 October 2024
  • {{Riesel prime {{HistC|2012-08-19|2020000|Steven Tjung|308548}}
    4 KB (435 words) - 18:20, 1 October 2024
  • {{Williams prime |WiNlist={{Reuse Primelist|Riesel prime 3 26|RNlist|3}}
    535 bytes (66 words) - 15:00, 23 September 2024
  • {{Williams prime |WiNlist={{Reuse Primelist|Riesel prime 3 10|RNlist|2}}
    521 bytes (68 words) - 10:05, 15 September 2024
  • {{Riesel prime {{HistF|2006-09-19|605394|Alexandre de Pereyra,RPS Drive K17|87529}}
    3 KB (359 words) - 17:08, 7 September 2024
  • {{Williams prime |WiDate=2024-10-19
    625 bytes (76 words) - 05:14, 20 October 2024
  • {{Williams prime |WiNlist={{Reuse Primelist|Riesel prime 3 28|RNlist|3}}
    544 bytes (67 words) - 15:02, 23 September 2024
  • {{Riesel prime {{HistF|2024-06-19|2452892|Gary Barnes, NPLB K300 Drive 1|659947}}
    2 KB (255 words) - 19:14, 7 September 2024

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