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Riesel primes of the form 9993•10n-1

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Reserved! This sequence is currently reserved by: (Alex_soldier)

Current data

k , b : 9993 , 10
Count : 16
Nash : 3400
Max n : 500,000
Date : 2021-11-27
Reserved : (Alex_soldier)(Alex_soldier)/Reserved
1, 5, 12, 35, 47, 54, 353, 384, 401, 743, 2592, 4194, 6451, 11207, 12063, 237822
Remarks :
All numbers are Near Repdigit 999299...99.
See page compiled by Gary Barnes
See also List of near-repdigit-related (probable) prime numbers Studio Kamada (see wlabel=99929w)

History

  • 2021-11-27: Checked to n = 500000, (Alex_soldier)
  • 2020-03-20: Found n = 237822, (Alex_soldier)
  • 2019-07-21: Reserved by (Alex_soldier) for n≤10000000
  • 2013-08-12: Checked to n = 230000, Gary Barnes
  • 2007-10-30: Reserved by Gary Barnes for n≤230000