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; search for Riesel primes 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	# primes	prime(s) for n
2043	4049	18733	4	1061700, 1094124, 1114516, 1185062
2049	2853	13409	3	1102720, 1111613, 1267508
2061	3124	14577	4	1087375, 1156802, 1216253, 1247471
2079	3221	15151	1	1132635
2085	3345	15723	2	1211126, 1276098
2103	3935	18391	2	1057854, 1282580
2127	3437	16434	2	1078970, 1177082
2205	3532	16896	1	1275529
2211	4509	20744	6	1111659, 1142207, 1149075, 1162499, 1255185, 1268154
2253	3507	16824	0
2259	3437	16284	2	1075969, 1165204
2271	3180	14721	1	1038481
2289	3107	14286	1	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