RPS Drive 12

Overview

RPS Drive 12 - This drive is done.

Project	Riesel Prime Search
Drive name	RPS Drive 12
Purpose	Follow-on from RPS Drive 11; the goal of this drive is to search for primes of the form k•2n-1 for 13 high-weighted 2000 < k < 2300.
Date start	2013-08-28
Date end	2015-04-20
k-values	2000 - 2300
n-range	1025000 - 1310000
Primes found	29 new
Link	MersenneForum

k-history

2013-08-28: k = 2043, 2049, 2061, 2079, 2085, 2103, 2127, 2205, 2211, 2253, 2259, 2271, 2289 for 1025000 ≤ n ≤ 1310000

All for drive k = 2043, 2049, 2061, 2079, 2085, 2103, 2127, 2205, 2211, 2253, 2259, 2271, 2289

n-history

• n-values: 1025000 ≤ n ≤ 1310000

Primes table

k-value	Nash	Candidates	prime(s) for n
2043	4049	18733	1061700, 1094124, 1114516, 1185062
2049	2853	13409	1102720, 1111613, 1267508
2061	3124	14577	1087375, 1156802, 1216253, 1247471
2079	3221	15151	1132635
2085	3345	15723	1211126, 1276098
2103	3935	18391	1057854, 1282580
2127	3437	16434	1078970, 1177082
2205	3532	16896	1275529
2211	4509	20744	1111659, 1142207, 1149075, 1162499, 1255185, 1268154
2253	3507	16824
2259	3437	16284	1075969, 1165204
2271	3180	14721	1038481
2289	3107	14286	1287743

Notes

Riesel Prime Search

Miscellaneous

Main

Current work

Megabit Drive‎ 1

Completed

Drive 1 Drive 2 Drive 3 Drive 4 Drive 5 Drive 6 Drive 7 Drive 8 Drive 9 Drive 10 Drive 11 Drive 12 Megabit Drive‎ 2 Megabit Drive‎ 3

Individual k-searches

k=5 k=15 k=17

Others