'No Prime Left Behind' 12th Team Drive, Part C - Complete!

Started: 2011-12-31 Last update: 2017-12-29

This page reflects the search of primes of the form k·2ⁿ-1.

Data table:

Started	2011-12-31
Ended	2012-02-18
k-Range	2001 ≤ k ≤ 2999
n-Range	350001 ≤ n ≤ 425000
Candidates	1092541 14567 per 1000 n-range 2185 n's per k-value
Sieve depth p	100P = 100·10¹⁵
Primes new	211
Primes confirmed	67
Primes total	278
Forum	here upto post #97 (2012-02-19)

Notes:
The range was done by LLRnet-server GB7000 (maintained by G.Barnes).

Summary of candidates/primes:

k-Range	#cand.	all	new	conf.
2000-2100	110063	28	14	14
2100-2200	109206	30	14	16
2200-2300	106673	21	15	6
2300-2400	111765	29	26	3
2400-2500	112241	23	22	1
2500-2600	106633	28	24	4
2600-2700	111378	37	33	4
2700-2800	110513	25	21	4
2800-2900	105998	27	23	4
2900-3000	108071	30	19	11
Sum	1092541	278	211	67

Primes by user:

User	all	new	conf.
G.Barnes	245	190	55
V.Davies	30	20	10
R.Erickson	2	-	2
L.Vogel	1	1	-

Completed ranges overview:

k	#n	#primes	completed	primes
2001	3749	0	2012-01-02	-
2003	1383	0	2012-01-02	-
2005	2979	0	2012-01-02	-
2007	3080	2	2012-01-02	352422, 399058
2009	1885	1	2012-01-02	389396
2011	2192	0	2012-01-02	-
2013	2629	1	2012-01-02	376976
2015	3095	0	2012-01-02	-
2017	498	0	2012-01-02	-
2019	3063	0	2012-01-02	-
2021	1644	2	2012-01-03	392474, 409766
2023	1017	0	2012-01-03	-
2025	1692	1	2012-01-03	407547
2027	853	0	2012-01-03	-
2029	2938	0	2012-01-03	-
2031	2134	0	2012-01-03	-
2033	2305	1	2012-01-03	397016
2035	2319	0	2012-01-05	-
2037	3590	2	2012-01-03	365720, 405725
2039	386	0	2012-01-03	-
2041	1175	0	2012-01-04	-
2043	4854	1	2012-01-04	417726
2045	2162	1	2012-01-04	363836
2047	1380	0	2012-01-04	-
2049	3494	1	2012-01-04	367431
2051	1192	2	2012-01-04	363654, 366058
2053	781	1	2012-01-04	375747
2055	2493	2	2012-01-04	372282, 375695
2057	2559	0	2012-01-04	-
2059	1203	1	2012-01-04	390953
2061	3978	2	2012-01-05	357711, 398745
2063	2417	0	2012-01-05	-
2065	1782	1	2012-01-05	354195
2067	3465	1	2012-01-05	413068
2069	744	0	2012-01-05	-
2071	3261	0	2012-01-05	-
2073	1488	1	2012-01-05	421538
2075	1756	0	2012-01-05	-
2077	1852	0	2012-01-06	-
2079	3930	0	2012-01-06	-
2081	656	1	2012-01-05	411330
2083	855	0	2012-01-05	-
2085	4056	2	2012-01-06	357048, 424470
2087	1353	0	2012-01-06	-
2089	1578	0	2012-01-06	-
2091	3687	0	2012-01-06	-
2093	2180	0	2012-01-06	-
2095	2218	0	2012-01-08	-
2097	3116	1	2012-01-06	395001
2099	967	0	2012-01-06	-
2101	2725	0	2012-01-06	-
2103	4838	0	2012-01-06	-
2105	1699	0	2012-01-06	-
2107	1717	1	2012-01-06	394797
2109	1497	0	2012-01-07	-
2111	1129	0	2012-01-07	-
2113	2325	2	2012-01-07	391479, 394475
2115	3558	2	2012-01-07	404209, 405043
2117	2677	0	2012-01-08	-
2119	2199	1	2012-01-08	405205
2121	2879	0	2012-01-07	-
2123	1880	1	2012-01-07	408252
2125	1419	0	2012-01-07	-
2127	4224	2	2012-01-07	364469, 391712
2129	1295	0	2012-01-08	-
2131	2875	3	2012-01-08	372603, 403509, 413349
2133	2875	0	2012-01-08	-
2135	2150	0	2012-01-08	-
2137	1038	0	2012-01-08	-
2139	2457	2	2012-01-08	382389, 396753
2141	1594	0	2012-01-08	-
2143	889	0	2012-01-08	-
2145	6526	2	2012-01-08	372766, 414996
2147	2888	0	2012-01-08	-
2149	2353	0	2012-01-09	-
2151	1411	1	2012-01-09	412042
2153	2036	1	2012-01-09	361238
2155	1814	0	2012-01-11	-
2157	2467	0	2012-01-09	-
2159	1221	0	2012-01-09	-
2161	1696	0	2012-01-09	-
2163	2856	3	2012-01-09	385351, 391932, 411396
2165	1655	1	2012-01-09	402376
2167	606	0	2012-01-09	-
2169	3765	2	2012-01-09	362884, 416481
2171	338	0	2012-01-09	-
2173	1100	0	2012-01-09	-
2175	4033	1	2012-01-09	420511
2177	1985	2	2012-01-10	364734, 371550
2179	1330	1	2012-01-10	387961
2181	2091	0	2012-01-10	-
2183	1997	0	2012-01-10	-
2185	1437	0	2012-01-10	-
2187	3562	1	2012-01-11	366881
2189	1248	0	2012-01-10	-
2191	1108	0	2012-01-10	-
2193	2502	1	2012-01-10	395650
2195	2265	0	2012-01-10	-
2197	1131	0	2012-01-10	-
2199	1846	0	2012-01-11	-
2201	1040	0	2012-01-10	-
2203	422	1	2012-01-10	409427
2205	4398	1	2012-01-10	381194
2207	2711	0	2012-01-13	-
2209	1997	0	2012-01-11	-
2211	5466	2	2012-01-13	351181, 373102
2213	1203	1	2012-01-11	397094
2215	2571	1	2012-01-13	396659
2217	3395	0	2012-01-11	-
2219	1136	0	2012-01-11	-
2221	1575	1	2012-01-11	362239
2223	2411	0	2012-01-11	-
2225	2736	1	2012-01-11	423568
2227	1173	1	2012-01-12	397573
2229	3685	1	2012-01-12	371521
2231	745	0	2012-01-12	-
2233	1187	1	2012-01-12	367239
2235	2422	0	2012-01-14	-
2237	780	0	2012-01-12	-
2239	2609	0	2012-01-13	-
2241	3070	1	2012-01-12	364918
2243	2078	1	2012-01-12	383174
2245	2776	0	2012-01-12	-
2247	3663	0	2012-01-12	-
2249	678	0	2012-01-12	-
2251	1327	0	2012-01-12	-
2253	4312	3	2012-01-13	350247, 414230, 420395
2255	1837	0	2012-01-13	-
2257	703	0	2012-01-13	-
2259	4278	0	2012-01-13	-
2261	1013	1	2012-01-15	383966
2263	319	0	2012-01-13	-
2265	2088	0	2012-01-13	-
2267	1210	0	2012-01-13	-
2269	1713	1	2012-01-13	368207
2271	3819	1	2012-01-13	374405
2273	2765	0	2012-01-13	-
2275	2234	0	2012-01-13	-
2277	2724	0	2012-01-13	-
2279	341	0	2012-01-13	-
2281	2032	0	2012-01-13	-
2283	2792	0	2012-01-14	-
2285	2504	0	2012-01-14	-
2287	640	0	2012-01-14	-
2289	3727	2	2012-01-14	364833, 368687
2291	528	0	2012-01-14	-
2293	199	0	2012-01-14	-
2295	3573	0	2012-01-15	-
2297	960	0	2012-01-15	-
2299	3108	0	2012-01-14	-
2301	3497	2	2012-01-14	366471, 374078
2303	2675	0	2012-01-14	-
2305	1612	1	2012-01-16	399517
2307	3474	0	2012-01-15	-
2309	1591	0	2012-01-15	-
2311	1938	0	2012-01-17	-
2313	3404	2	2012-01-15	356596, 385739
2315	2061	2	2012-01-15	370358, 395228
2317	573	0	2012-01-15	-
2319	3039	0	2012-01-15	-
2321	793	0	2012-01-15	-
2323	1512	0	2012-01-15	-
2325	3337	1	2012-01-15	398692
2327	1602	0	2012-01-15	-
2329	1476	0	2012-01-15	-
2331	3297	0	2012-01-15	-
2333	782	1	2012-01-15	353386
2335	1731	1	2012-01-15	382143
2337	3383	1	2012-01-16	371038
2339	1215	0	2012-01-16	-
2341	2505	0	2012-01-16	-
2343	4266	0	2012-01-16	-
2345	2258	1	2012-01-16	398624
2347	489	0	2012-01-16	-
2349	2587	2	2012-01-16	351708, 402569
2351	1923	1	2012-01-16	373486
2353	899	0	2012-01-16	-
2355	3967	1	2012-01-18	359949
2357	1349	1	2012-01-16	415456
2359	2045	1	2012-01-16	375699
2361	1942	1	2012-01-16	417607
2363	1326	1	2012-01-16	392280
2365	3168	0	2012-01-18	-
2367	2629	0	2012-01-17	-
2369	623	0	2012-01-17	-
2371	1211	0	2012-01-17	-
2373	3714	1	2012-01-19	374902
2375	1797	1	2012-01-17	384274
2377	564	0	2012-01-17	-
2379	4753	3	2012-01-17	357408, 390477, 421881
2381	619	0	2012-01-17	-
2383	1149	0	2012-01-17	-
2385	5647	0	2012-01-17	-
2387	3518	1	2012-01-18	417570
2389	1516	1	2012-01-18	410733
2391	1776	0	2012-01-18	-
2393	1809	0	2012-01-20	-
2395	1418	0	2012-01-18	-
2397	6179	1	2012-01-18	365224
2399	1127	1	2012-01-18	421468
2401	4353	1	2012-01-18	383011
2403	2729	0	2012-01-19	-
2405	1869	1	2012-01-19	376004
2407	1403	1	2012-01-19	373985
2409	3237	1	2012-01-19	370684
2411	1317	1	2012-01-19	381882
2413	1903	1	2012-01-19	379475
2415	3632	0	2012-01-21	-
2417	1086	0	2012-01-19	-
2419	1477	1	2012-01-19	398709
2421	3582	0	2012-01-19	-
2423	1696	1	2012-01-19	375248
2425	2249	0	2012-01-19	-
2427	3123	1	2012-01-20	-
2429	706	0	2012-01-20	-
2431	1913	1	2012-01-20	398697
2433	2137	0	2012-01-20	-
2435	1599	1	2012-01-22	375552
2437	1329	0	2012-01-20	-
2439	2763	1	2012-01-22	364212
2441	462	0	2012-01-20	-
2443	2174	1	2012-01-20	390795
2445	2943	1	2012-01-20	416077
2447	1252	1	2012-01-20	375654
2449	3284	0	2012-01-20	-
2451	2025	0	2012-01-20	-
2453	2450	0	2012-01-21	-
2455	2147	1	2012-01-21	355275
2457	3373	0	2012-01-21	-
2459	1248	0	2012-01-22	-
2461	2151	0	2012-01-21	-
2463	3978	0	2012-01-21	-
2465	1581	0	2012-01-21	-
2467	1588	1	2012-01-21	353965
2469	4093	0	2012-01-23	-
2471	1613	0	2012-01-22	-
2473	716	0	2012-01-22	-
2475	4187	0	2012-01-22	-
2477	3138	2	2012-01-22	381416, 424928
2479	2347	0	2012-01-23	-
2481	2884	0	2012-01-22	-
2483	2319	0	2012-01-22	-
2485	1900	3	2012-01-22	355767, 386389, 404391
2487	2234	1	2012-01-22	422845
2489	849	0	2012-01-22	-
2491	2121	0	2012-01-22	-
2493	1700	0	2012-01-23	-
2495	1491	0	2012-01-23	-
2497	1829	0	2012-01-23	-
2499	4061	1	2012-01-23	384761
2501	993	0	2012-01-23	-
2503	756	1	2012-01-23	356727
2505	4739	0	2012-01-25	-
2507	2478	1	2012-01-25	359254
2509	2920	2	2012-01-25	360149, 397491
2511	3953	0	2012-01-23	-
2513	1342	1	2012-01-23	370880
2515	1359	1	2012-01-23	386761
2517	1945	0	2012-01-26	-
2519	801	0	2012-01-24	-
2521	1063	1	2012-01-24	365741
2523	3878	0	2012-01-24	-
2525	3444	0	2012-01-26	-
2527	1125	0	2012-01-24	-
2529	2794	1	2012-01-24	377959
2531	963	0	2012-01-24	-
2533	1379	1	2012-01-24	419071
2535	3376	0	2012-01-24	-
2537	2330	0	2012-01-25	-
2539	2380	0	2012-01-25	-
2541	2707	1	2012-01-25	370738
2543	1626	0	2012-01-25	-
2545	1760	1	2012-01-25	407975
2547	4629	2	2012-01-25	366648, 368196
2549	565	0	2012-01-25	-
2551	3119	1	2012-01-25	357401
2553	3587	2	2012-01-26	352342, 359028
2555	2480	2	2012-01-26	355736, 380716
2557	1274	0	2012-01-26	-
2559	2066	0	2012-01-26	-
2561	1025	0	2012-01-26	-
2563	607	0	2012-01-26	-
2565	4423	1	2012-01-26	354815
2567	3080	1	2012-01-26	388840
2569	1318	1	2012-01-26	404513
2571	1813	0	2012-01-26	-
2573	1683	0	2012-01-26	-
2575	1405	1	2012-01-26	379233
2577	2151	2	2012-01-28	372005, 373697
2579	895	0	2012-01-27	-
2581	1867	1	2012-01-27	375665
2583	2797	1	2012-01-27	361403
2585	1467	0	2012-01-29	-
2587	1064	0	2012-01-27	-
2589	3002	0	2012-01-27	-
2591	341	0	2012-01-27	-
2593	1192	0	2012-01-27	-
2595	5776	0	2012-01-27	-
2597	1651	1	2012-01-27	372184
2599	1245	1	2012-01-28	354439
2601	2510	2	2012-01-28	391871, 395643
2603	2230	0	2012-01-28	-
2605	1325	0	2012-01-28	-
2607	4023	2	2012-01-29	360836, 366372
2609	1509	0	2012-01-28	-
2611	2866	2	2012-01-28	368065, 424695
2613	2793	0	2012-01-28	-
2615	1594	0	2012-01-28	-
2617	1495	3	2012-01-28	356197, 367133, 386541
2619	2072	0	2012-01-28	-
2621	1233	0	2012-01-29	-
2623	2147	1	2012-01-29	381515
2625	4914	1	2012-01-29	408656
2627	1212	0	2012-01-29	-
2629	1760	2	2012-01-29	355677, 365483
2631	2679	0	2012-01-29	-
2633	2084	1	2012-01-29	421676
2635	2087	1	2012-01-31	396109
2637	3470	0	2012-01-29	-
2639	1164	0	2012-01-29	-
2641	2189	1	2012-01-31	362047
2643	2358	0	2012-01-30	-
2645	2343	0	2012-01-30	-
2647	773	0	2012-02-01	-
2649	3893	1	2012-02-01	365192
2651	1027	0	2012-01-30	-
2653	918	1	2012-01-30	392287
2655	3446	0	2012-01-30	-
2657	2044	0	2012-01-30	-
2659	1797	0	2012-01-30	-
2661	2755	1	2012-01-30	420602
2663	2617	2	2012-01-31	388796, 419416
2665	2900	2	2012-01-31	377717, 421823
2667	2901	0	2012-02-01	-
2669	745	0	2012-01-31	-
2671	1290	0	2012-02-02	-
2673	4984	1	2012-02-02	386332
2675	1510	1	2012-02-01	409688
2677	796	1	2012-01-31	423809
2679	3961	1	2012-02-01	371113
2681	1536	1	2012-02-01	401434
2683	266	0	2012-02-01	-
2685	3473	3	2012-02-02	372944, 378599, 394493
2687	1660	0	2012-02-01	-
2689	1488	1	2012-02-01	360323
2691	4188	2	2012-02-01	368930, 379350
2693	2796	1	2012-02-01	357826
2695	2052	0	2012-02-01	-
2697	3103	1	2012-02-02	380374
2699	402	1	2012-02-02	412676
2701	1693	0	2012-02-02	-
2703	2389	2	2012-02-04	372295, 397192
2705	1750	0	2012-02-02	-
2707	1440	0	2012-02-02	-
2709	3191	1	2012-02-02	393613
2711	913	1	2012-02-02	352098
2713	953	0	2012-02-02	-
2715	3777	0	2012-02-02	-
2717	1939	0	2012-02-03	-
2719	2442	0	2012-02-03	-
2721	4732	0	2012-02-04	-
2723	3632	0	2012-02-03	-
2725	1264	0	2012-02-03	-
2727	2068	0	2012-02-03	-
2729	1541	1	2012-02-05	403864
2731	2000	1	2012-02-05	424195
2733	2840	0	2012-02-04	-
2735	3289	1	2012-02-04	356408
2737	1109	1	2012-02-04	410457
2739	2167	0	2012-02-06	-
2741	487	0	2012-02-04	-
2743	1623	0	2012-02-06	-
2745	2961	0	2012-02-06	-
2747	2735	0	2012-02-05	-
2749	2461	0	2012-02-04	-
2751	3434	0	2012-02-04	-
2753	1422	1	2012-02-04	365760
2755	2262	0	2012-02-04	-
2757	5027	0	2012-02-05	-
2759	412	1	2012-02-05	405820
2761	2256	1	2012-02-05	423715
2763	2365	0	2012-02-05	-
2765	2171	1	2012-02-07	365130
2767	582	0	2012-02-05	-
2769	2526	0	2012-02-07	-
2771	1655	2	2012-02-05	371342, 374538
2773	605	0	2012-02-05	-
2775	3099	3	2012-02-07	397664, 407228, 408874
2777	2849	1	2012-02-05	362978
2779	1218	0	2012-02-05	-
2781	2659	1	2012-02-05	415287
2783	1825	0	2012-02-06	-
2785	2859	1	2012-02-06	418463
2787	1990	0	2012-02-08	-
2789	706	1	2012-02-06	406964
2791	1506	0	2012-02-08	-
2793	5351	2	2012-02-06	372180, 372202
2795	1462	0	2012-02-06	-
2797	393	0	2012-02-06	-
2799	4483	2	2012-02-06	388464, 422469
2801	681	0	2012-02-06	-
2803	634	0	2012-02-06	-
2805	6211	2	2012-02-07	386136, 390941
2807	2598	1	2012-02-09	372254
2809	2665	1	2012-02-09	385749
2811	2080	0	2012-02-07	-
2813	3928	0	2012-02-07	-
2815	854	0	2012-02-07	-
2817	3580	1	2012-02-07	369673
2819	998	1	2012-02-07	391496
2821	3505	0	2012-02-08	-
2823	1339	0	2012-02-08	-
2825	1734	0	2012-02-08	-
2827	999	0	2012-02-08	-
2829	1891	0	2012-02-08	-
2831	743	0	2012-02-08	-
2833	1422	0	2012-02-08	-
2835	4840	0	2012-02-08	-
2837	1389	0	2012-02-08	-
2839	1783	1	2012-02-10	417071
2841	3074	2	2012-02-08	390114, 396945
2843	889	0	2012-02-08	-
2845	1851	1	2012-02-09	394167
2847	3058	2	2012-02-09	404836, 420305
2849	1367	0	2012-02-09	-
2851	2358	0	2012-02-10	-
2853	2166	0	2012-02-09	-
2855	1810	0	2012-02-09	-
2857	979	0	2012-02-09	-
2859	3802	3	2012-02-09	357993, 360520, 415712
2861	1205	0	2012-02-09	-
2863	961	0	2012-02-09	-
2865	2576	2	2012-02-11	368821, 403368
2867	2084	0	2012-02-10	-
2869	3555	2	2012-02-10	362807, 423811
2871	2296	2	2012-02-10	370417, 418130
2873	2674	1	2012-02-12	356846
2875	2161	0	2012-02-10	-
2877	2700	0	2012-02-10	-
2879	780	1	2012-02-10	401292
2881	1062	0	2012-02-10	-
2883	3803	0	2012-02-12	-
2885	1046	0	2012-02-10	-
2887	1437	0	2012-02-11	-
2889	3336	0	2012-02-11	-
2891	748	1	2012-02-11	388898
2893	1065	0	2012-02-11	-
2895	3715	0	2012-02-13	-
2897	2512	0	2012-02-11	-
2899	1054	3	2012-02-11	356923, 410119, 416279
2901	3214	1	2012-02-11	389373
2903	2310	1	2012-02-11	381860
2905	2528	3	2012-02-11	357359, 378853, 424781
2907	2187	2	2012-02-12	354565, 403765
2909	856	0	2012-02-12	-
2911	2370	0	2012-02-12	-
2913	2786	1	2012-02-12	376280
2915	2262	0	2012-02-12	-
2917	1592	0	2012-02-12	-
2919	4332	1	2012-02-12	352712
2921	1208	0	2012-02-12	-
2923	770	0	2012-02-12	-
2925	4524	1	2012-02-14	377867
2927	1479	1	2012-02-15	362458
2929	2400	0	2012-02-13	-
2931	3822	1	2012-02-15	384258
2933	3070	0	2012-02-13	-
2935	2495	0	2012-02-13	-
2937	2192	0	2012-02-13	-
2939	542	0	2012-02-13	-
2941	1564	1	2012-02-13	416993
2943	3665	1	2012-02-15	393732
2945	1624	0	2012-02-13	-
2947	869	0	2012-02-13	-
2949	2394	2	2012-02-13	361335, 412111
2951	571	0	2012-02-13	-
2953	794	0	2012-02-14	-
2955	3281	1	2012-02-16	406658
2957	1887	0	2012-02-14	-
2959	2889	1	2012-02-14	383295
2961	2842	1	2012-02-14	381827
2963	1438	0	2012-02-14	-
2965	2023	2	2012-02-14	415185, 423327
2967	3348	1	2012-02-17	401282
2969	953	0	2012-02-14	-
2971	3361	0	2012-02-14	-
2973	3270	1	2012-02-17	417170
2975	1864	1	2012-02-15	414264
2977	746	0	2012-02-15	-
2979	2929	1	2012-02-18	370049
2981	993	0	2012-02-18	-
2983	390	0	2012-02-15	-
2985	4423	3	2012-02-15	363559, 411546, 414041
2987	2414	1	2012-02-15	355294
2989	2306	0	2012-02-15	-
2991	2403	0	2012-02-15	-
2993	1129	0	2012-02-16	-
2995	1951	1	2012-02-16	392089
2997	1837	0	2012-02-16	-
2999	974	0	2012-02-16	-

'No Prime Left Behind' 12th Team Drive, Part C - Complete!

This page reflects the search of primes of the form k·2n-1.

Data table:

Summary of candidates/primes:

Primes by user:

Completed ranges overview:

This page reflects the search of primes of the form k·2ⁿ-1.