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RPS Megabit Drive 1

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Overview

RPS Megabit Drive 1 - This drive is done.
Project Riesel Prime Search
Drive name RPS Megabit Drive 1
Purpose Search for Riesel primes for k < 300 from n = 1000000
Date start 2010-10-24
Date end 2020-11-12
k-values 35 - 111
n-range 1000000 - 3100000
Primes found 39 new
Link Thread at MersenneForum

k-history

2010-10-24: k = 51, 57, 61, 65, 69, 87 from n = 1000000
2011-01-26: adding k = 47, 53 from n = 1000000
2014-08-12: removing k = 51, 69 from n = 2500000
2014-08-12: adding k = 35 from n = 2520000, k = 37 from n = 2500000 only n != 1 mod 10, k = 103 from n = 2550223, and k = 111 from n = 2601487
All for drive k = 35, 37, 47, 53, 57, 61, 65, 87, 103, 111

n-history

  • n = 1000000 - 3100000

Sieve history

Reservation history

The data file can be found here. Notes:

  • To identify a post of the MersenneForum thread the date and post number are given.
  • If a post number is given with '1' there's no information from the thread, so the first post is used.
Range (kByte) #cand. Contributor Reserved Done

1000-1003 963 Predrag Minovic 2010-10-24 (2) 2010-11-07 (22)

Primes table

The data file can be found here.

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

35 1264 2520000-3100000 0
37 630 2500000-3100000** 0
47 922 1000000-1653000, 1692000-3100000 1 1025950
51 1550 1000000-1620000, 1687162-2500000 3 1026910, 1027635, 1231665
53 1368 1000000-1653000, 1684000-3100000 1 1632590
57 2672 1000000-1620000, 1679288-3100000 6 1098272, 1110980, 1486214, 2103370, 2639528, 3093440
61 2170 1000000-1620000, 1674483-3100000 8 1124049, 1416365, 1487125, 1734983, 2134577, 2381887, 2580689, 2936967
65 2034 1000000-1620000, 1669972-3100000 7 1374574, 1421088, 1505640, 2450614, 2583720, 2876718, 3080952
69 3438 1000000-1620000, 1665716-2500000 5 1473217, 1566375, 2174213, 2410035, 2428251
87 2839 1000000-1620000, 1652000-3100000 7 1089098, 1120006, 1332741, 1358189, 1616138, 1852590, 2518122
103 1373 2550223-3100000 0
111 2954 2601487-3100000 1 3060238

**: Only n != 1 mod 10 is searched.

Notes

Riesel Prime Search