The 3rd RPS-Drive

This page is a Summary of the 3rd Team Drive from Riesel Prime Search.

The goal of this drive is to search for primes of the form k·2ⁿ-1 for 36 low weighted k's.

Basic information:

Status	The drive is over!
Started	2006-04-27
Ended	2009-03-01
Range n	1105000 < n < 2000000
Contributors sieve	T.Ritschel
Sieve depth	p = 4.238 T = 4.238 · 10¹²
Contributors LLR (primes found)	M.Dettweiler, D.Metcalfe, J.C.Brunson, E.Rajh, J.Schlesser, P.Minovic, L.Soule, J.P.Burt, M.Anderson, T.Ritschel, M.Curtis
Candidates for LLR	9118 upto 1.8M (131 per 10k on average)
Primes found	none
Link	RPS-Forum, posts #131 - #141 (more to come)

Data table:

k	Nash weight	# candidates upto n=1.8M	% of all candidates	# candidates per 10k	k	Nash weight	# candidates upto n=1.8M	% of all candidates	# candidates per 10k
389152177	18	253	2.77	3.64	589877983	19	327	3.59	4.71
410314627	12	101	1.11	1.45	609937687	18	229	2.51	3.29
414322661	13	246	2.70	3.54	651488009	19	307	3.37	4.42
432043439	16	113	1.24	1.63	660879671	20	360	3.95	5.18
443200949	16	251	2.75	3.61	667868189	20	317	3.48	4.56
463395913	18	261	2.86	3.76	673503191	20	298	3.27	4.29
482987411	17	225	2.47	3.24	691459721	15	279	3.06	4.01
491362811	14	258	2.83	3.71	713633533	20	339	3.72	4.88
493412999	16	215	2.36	3.09	725433403	17	282	3.09	4.06
494660219	15	218	2.39	3.14	738297163	17	270	2.96	3.88
531115657	19	261	2.86	3.76	759833699	19	273	2.99	3.93
535224337	13	170	1.86	2.45	801584081	17	277	3.04	3.99
536864983	11	161	1.77	2.32	811064503	13	179	1.96	2.58
540196717	15	206	2.26	2.96	814419757	14	188	2.06	2.71
552455201	20	314	3.44	4.52	835596479	20	301	3.30	4.33
564510097	17	288	3.16	4.14	851324377	17	291	3.19	4.19
567143683	19	318	3.49	4.58	855686399	12	221	2.42	3.18
578625847	18	215	2.36	3.09	857656417	18	306	3.36	4.40

Detailed range overview: in progress

range	#n	Contributor	reserved	post#	complete	post#
1675-1680	69	E.Stokkedalen	2008-12-03	131	2008-12-16	132
1680-2000	4165	J.P.Burt	2009-02-17	133	2009-02-22	138

Detailed range overview:

range start	Contributor	# n	range start	Contributor	# n	range start	Contributor	# n	range start	Contributor	# n	range start	Contributor	# n
1105	T.Ritschel	76	1110	P.Minovic	78	1115	L.Soule	58	1120	E.Rajh	271	1140	T.Ritschel	73
1145	M.Curtis	57	1150	T.Ritschel	125	1160	L.Soule	137	1170	P.Minovic	45	1175	T.Ritschel	127
1185	L.Soule	64	1190	T.Ritschel	129	1200	L.Soule	74	1205	P.Minovic	63	1210	L.Soule	129
1220	T.Ritschel	143	1230	E.Rajh	132	1240	M.Anderson	62	1245	P.Minovic	59	1250	T.Ritschel	121
1260	L.Soule	64	1265	M.Anderson	56	1270	L.Soule	69	1275	M.Anderson	65	1280	J.Schlesser	68
1285	T.Ritschel	132	1295	L.Soule	73	1300	J.C.Brunson	56	1305	M.Anderson	66	1310	P.Minovic	59
1315	T.Ritschel	437	1350	L.Soule	187	1365	J.C.Brunson	76	1370	J.Schlesser	65	1375	L.Soule	177
1390	T.Ritschel	142	1400	J.Schlesser	72	1405	J.C.Brunson	71	1410	L.Soule	135	1420	P.Minovic	72
1425	L.Soule	204	1440	T.Ritschel	118	1450	L.Soule	74	1455	D.Metcalfe	55	1460	L.Soule	199
1475	T.Ritschel	136	1485	P.Minovic	63	1490	L.Soule	79	1495	T.Ritschel	60	1500	L.Soule	74
1505	P.Minovic	66	1510	L.Soule	139	1520	T.Ritschel	55	1525	L.Soule	126	1535	P.Minovic	71
1540	L.Soule	55	1545	P.Minovic	76	1550	T.Ritschel	73	1555	P.Minovic	71	1560	L.Soule	67
1565	P.Minovic	62	1570	L.Soule	270	1590	P.Minovic	63	1595	T.Ritschel	64	1600	L.Soule	65
1605	T.Ritschel	124	1615	L.Soule	54	1620	T.Ritschel	198	1635	L.Soule	77	1640	P.Minovic	57
1645	T.Ritschel	63	1650	L.Soule	63	1655	J.P.Burt	62	1660	L.Soule	133	1670	M.Dettweiler	82