Henri & Renaud Lifchitz's PRP Top records

What is a PRP ?

A PRP is a probable prime number, a number that nobody knows how to prove or disprove its primality.
Here are some criterions that can be used to recognize these numbers :

- N does not have any prime factor up to 2^32.
- N cannot be trivially written into a product.
- Take 3 square-free consecutive bases such that (b1/N)=(b2/N)=(b3/N)= -1. N should be such that b1^((N-1)/2)=b2^((N-1)/2)=b3^((N-1)/2)= -1 (mod N).
- Take a prime base such that (b/N)= -1 and b<>b1<>b2<>b3. N should pass the strong test in base b.
- or more (if someone has got an idea) !!!

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1-250	251-500	501-750	751-1000	1001-1250	1251-1500	1501-1750	1751-2000
2001-2250	2251-2500	2501-2750	2751-3000	3001-3250	3251-3500	3501-3750	3751-4000
4001-4250	4251-4500	4501-4750	4751-5000	5001-5250	5251-5500	5501-5750	5751-6000
6001-6250	6251-6500	6501-6750	6751-7000	7001-7250	7251-7500	7501-7750	7751-8000
8001-8250	8251-8500	8501-8750	8751-9000	9001-9250	9251-9500	9501-9750	9751-10000

Rank	Probable prime	Digits (> 50000)	Who ?	When ?
5001	2^285001-113461	85794	Enzo Doria	08/2014
5002	(11*10^85782-131)/3	85783	Robert Price	02/2017
5003	2^284913-110491	85768	Enzo Doria	05/2014
5004	6^110220+47	85768	Lelio R Paula	12/2015
5005	3*6^110202-5	85755	Lelio R Paula	10/2014
5006	(157^39047-1)/156	85742	Alexander Zhirkov	06/2016
5007	(3^179705+7)/250	85739	Lelio R Paula	12/2012
5008	2^284734-6555	85714	Lelio R Paula	09/2013
5009	(10^85712+53)/9	85712	Robert Price	01/2015
5010	3*10^85703+11	85704	Robert Price	11/2017
5011	(6883*2^284668-1)/3	85697	Lelio R Paula	04/2015
5012	20^65855+83	85680	Lelio R Paula	01/2016
5013	6^110105+53	85679	Lelio R Paula	12/2015
5014	(10^85666-97)/3	85666	Robert Kinser	10/2017
5015	2^284567-7605	85664	Lelio R Paula	09/2013
5016	9*5^122555-2	85664	Lelio R Paula	10/2014
5017	5^122554-14	85662	Lelio R Paula	10/2015
5018	9*5^122543+4	85655	Lelio R Paula	10/2014
5019	3^179489-2^(179489-1)	85639	Robert Price	01/2016
5020	2^284429+177	85622	Lelio R Paula	08/2012
5021	2*3^179452+5	85621	Lelio R Paula	07/2014
5022	(19^66919+3^66919)/22	85572	Robert Price	07/2013
5023	66^47023-65	85561	Norbert Schneider	11/2014
5024	6^109943+13	85553	Lelio R Paula	12/2015
5025	(2^284167-509203)/34564775	85536	Lelio R Paula	01/2013
5026	2^284133-3	85533	M. Frind & P. Underwood	07/2002
5027	2^284113+315	85527	Lelio R Paula	09/2013
5028	(28*10^85500+149)/3	85501	Robert Price	10/2017
5029	(16*10^85495-19)/3	85496	Robert Price	03/2016
5030	2^284004+177	85494	Lelio R Paula	08/2012
5031	(16*10^85473-91)/3	85474	Robert Price	06/2016
5032	3^179120+22	85462	Robert Price	12/2013
5033	2^283872-2792249	85454	Enzo Doria	03/2016
5034	(29*10^85438+259)/9	85439	Robert Price	04/2017
5035	2^283817+82875	85438	Lelio R Paula	09/2013
5036	(2^283815-5)/201	85435	Lelio R Paula	01/2013
5037	2^283796-125	85432	Lelio R Paula	08/2012
5038	(29*2^283784-1)/13	85428	Lelio R Paula	02/2014
5039	15^72592-28	85375	Lelio R Paula	11/2015
5040	2^283604-58695	85374	Lelio R Paula	09/2013
5041	(44*10^85370-503)/9	85371	Robert Price	10/2017
5042	496^31671+31671^496	85369	Norbert Schneider	07/2017
5043	(15*2^283583-1)/103051	85364	Lelio R Paula	02/2014
5044	15^72572+92	85352	Lelio R Paula	11/2015
5045	2^283473-1615	85334	Lelio R Paula	09/2013
5046	2^283466-15	85332	Lelio R Paula	08/2012
5047	11^81916-7020	85307	Enzo Doria	02/2013
5048	6^109626-7	85306	Lelio R Paula	11/2014
5049	2^283374-110327	85305	Enzo Doria	05/2014
5050	33*10^85297+7	85299	Robert Price	07/2016
5051	18^67933+41	85275	Lelio R Paula	11/2015
5052	2^283271-109341	85274	Enzo Doria	04/2014
5053	(25*10^85249-73)/3	85250	Robert Price	09/2016
5054	2*5^121959+3	85246	Lelio R Paula	10/2014
5055	19834^19834+8947	85235	Henri Lifchitz	11/2004
5056	2^283140+1915	85234	Lelio R Paula	09/2013
5057	3*10^85227-97	85228	Robert Price	08/2017
5058	(16*10^85221-31)/3	85222	Robert Price	03/2016
5059	2^283083+1869383	85217	Enzo Doria	05/2016
5060	(24737*2^283051+1)/17	85211	Lelio R Paula	06/2014
5061	(2^283032+78557)/3	85201	Lelio R Paula	01/2013
5062	2^283026-109893	85200	Enzo Doria	04/2014
5063	(2^283012+78557)/129	85193	Lelio R Paula	01/2013
5064	(10^(242589+1)+7210^42589-1)/9	85179	Robert Price	09/2017
5065	2^282860-109727	85150	Enzo Doria	04/2014
5066	2^282819+1869413	85138	Enzo Doria	05/2016
5067	3^178428+2	85132	Ray Chandler	07/2011
5068	(22699*2^282742+1)/73	85117	Lelio R Paula	06/2014
5069	(16^70687+5^70687)/21	85115	Robert Price	07/2013
5070	(3^178352-2)/7	85095	Lelio R Paula	12/2012
5071	11^81699-2790	85081	Enzo Doria	12/2012
5072	2^282612-95	85075	Lelio R Paula	08/2012
5073	2^282609-4069	85074	Yves Minet	02/2018
5074	75^45366-2	85065	Lelio R Paula	08/2013
5075	2^282511+69	85045	Lelio R Paula	08/2012
5076	69^46249+2	85045	Lelio R Paula	06/2013
5077	3^178226+10	85036	Robert Price	10/2013
5078	(182*10^85017+43)/9	85019	Robert Price	11/2017
5079	(14*10^85010+73)/3	85011	Robert Price	04/2016
5080	9*2^282338-7	84994	Lelio R Paula	08/2014
5081	(9913*2^282330-1)/1578003	84988	Lelio R Paula	04/2015
5082	2^282203+5	84952	Lelio R Paula	08/2012
5083	2^282184+13	84946	Lelio R Paula	08/2012
5084	11^81568-2400	84945	Enzo Doria	12/2012
5085	11^81562-2340	84939	Enzo Doria	12/2012
5086	(41*10^84927+31)/9	84928	Robert Price	05/2015
5087	(2*10^84904-17)/3	84904	Robert Price	08/2014
5088	(4^141017+23)/3	84901	Robert Price	02/2017
5089	6^109100-18653	84897	Enzo Doria	03/2013
5090	2^281973+1025	84883	Lelio R Paula	09/2013
5091	2^281951-109651	84876	Enzo Doria	04/2014
5092	11^81491-5430	84865	Enzo Doria	01/2013
5093	((1+sqrt(3)+sqrt(2))^79357-1)((1+sqrt(3)-sqrt(2))^79357-1)((1-sqrt(3)+sqrt(2))^79357-1)*((1-sqrt(3	84849	Mike Oakes	04/2009
5094	2^281825-1861483	84838	Enzo Doria	03/2016
5095	2^281809-97305	84833	Lelio R Paula	09/2013
5096	2^281780-114893	84825	Enzo Doria	05/2015
5097	3^177719+64	84794	Lelio R Paula	12/2015
5099	2^281675-199	84793	Lelio R Paula	08/2012
5098	2^281673-111223	84793	Enzo Doria	05/2014
5100	(4*10^84779+149)/9	84779	Robert Price	03/2017
5101	(72*10^84772-27)/9	84773	Ray Chandler	01/2011
5102	11^81398-630	84768	Enzo Doria	11/2012
5103	(25*2^281577-1)/23	84764	Lelio R Paula	02/2014
5104	2^281500-455	84740	Yves Minet	03/2012
5105	10^84725+1145141919	84726	Marisa Kirisame	03/2015
5106	10^84725+142041	84726	Patrick De Geest	10/2015
5107	10^84725-138677	84725	Patrick De Geest	02/2016
5108	76^45044+75	84720	Norbert Schneider	02/2015
5109	54^48897-53	84709	Norbert Schneider	08/2014
5110	(9913*2^281377-1)/65	84706	Lelio R Paula	04/2015
5111	Phi(171124,10)/29946701/7761329021/58560344041	84700	Maksym Voznyy	11/2015
5112	2^281337-111223	84691	Enzo Doria	05/2014
5113	2^281308+54615	84683	Lelio R Paula	09/2013
5114	7*5^121144-6	84677	Lelio R Paula	10/2014
5115	(2^281252+47)/3	84665	Lelio R Paula	01/2013
5116	11^81297-3150	84663	Enzo Doria	12/2012
5117	2^281208-303	84653	Yves Minet	02/2012
5118	197^36892-2	84648	Lelio R Paula	10/2017
5119	(21*2^281187+1)/2483	84644	Lelio R Paula	01/2013
5120	11^81247-84	84611	Lelio R Paula	10/2015
5121	17^68747-64	84590	Lelio R Paula	11/2015
5122	5^121018-15596	84588	Enzo Doria	02/2013
5123	6^108702+7	84587	Lelio R Paula	11/2014
5124	10^84582+100677	84583	Patrick De Geest	05/2016
5125	10^84582-8001	84582	Robert Price	03/2016
5126	3*5^121004-8	84579	Lelio R Paula	10/2014
5127	5^120996-84	84573	Lelio R Paula	10/2015
5128	(10223*2^280881+1)/68419	84553	Lelio R Paula	06/2014
5129	2^280852+97681	84545	Yves Minet	08/2004
5130	2^280848-1203	84544	Lelio R Paula	09/2013
5131	5^120946-24	84538	Lelio R Paula	10/2015
5132	2^280810-2111	84533	Yves Minet	08/2013
5133	11^81161-5160	84521	Enzo Doria	01/2013
5134	2^280737-93	84511	Lelio R Paula	08/2012
5135	2^280698+315	84499	Lelio R Paula	09/2013
5136	3^177099-340	84498	Lelio R Paula	12/2015
5137	(5*10^84469-107)/3	84470	Robert Price	01/2017
5138	(3^177002+7)/6696022272161744	84436	Lelio R Paula	12/2012
5139	(2^280500-1017)/823	84436	Lelio R Paula	01/2013
5140	14^73660-5	84424	Lelio R Paula	11/2015
5141	(19*10^84409-61)/3	84410	Robert Price	04/2017
5142	2^280388+117	84406	Lelio R Paula	08/2012
5143	2^280389-566533	84406	Paul Bourdelais	03/2013
5144	(141584^16384+1)/65537	84390	Syoichiro Yamada	06/2008
5145	119^40652+118	84376	Norbert Schneider	09/2018
5146	2^280240-173	84361	Lelio R Paula	08/2012
5147	(184*10^84348-1)/3	84350	Robert Price	02/2017
5148	4*10^84346+93	84347	Robert Price	01/2017
5149	7*2^280156-5	84337	Lelio R Paula	08/2014
5150	8*7^99782-3	84327	Lelio R Paula	10/2014
5151	2^280116+133	84324	Lelio R Paula	08/2012
5152	2^280118+54615	84324	Lelio R Paula	09/2013
5153	(509203*2^280090-1)/3	84321	Lelio R Paula	04/2015
5154	6^108354+47	84316	Lelio R Paula	12/2015
5155	10^84305+141963	84306	Patrick De Geest	07/2013
5156	10^84305-57	84305	Robert Price	05/2011
5157	9^88339+38^88339-24^88339-3*2^88339	84297	Mike Oakes	01/2011
5158	3^176648-112804	84283	Enzo Doria	06/2014
5159	6^108310+115	84282	Lelio R Paula	12/2015
5160	(11*2^279968-1)/5	84280	Lelio R Paula	02/2014
5161	6^108288-16643	84265	Enzo Doria	02/2013
5162	2^279917-58695	84264	Lelio R Paula	08/2013
5163	65^46477+36	84259	Lelio R Paula	01/2016
5164	2^279866-1907	84249	Yves Minet	05/2013
5165	(3^176580-5)/28076	84246	Lelio R Paula	12/2012
5166	(p(17530)#+4)/2	84246	Robert Price	09/2017
5167	(2*10^84239+1)/3	84239	Serge Batalov	07/2009
5169	18^67103-41	84233	Lelio R Paula	11/2015
5168	20^64743-43	84233	Lelio R Paula	01/2016
5170	143^39070+39070^143	84209	Serge Batalov	05/2014
5171	11^80857-5400	84204	Enzo Doria	01/2013
5172	(13*10^84179+161)/3	84180	Robert Price	04/2017
5173	2^279634-110405	84179	Enzo Doria	05/2014
5174	(74*10^84170+313)/9	84171	Robert Price	11/2017
5175	2^279582-1017	84163	Lelio R Paula	08/2013
5176	(22*10^84159-19)/3	84160	Robert Price	02/2017
5177	p(17513)#/2+512	84156	Robert Price	05/2017
5178	(19*10^84144-43)/3	84145	Robert Price	10/2017
5179	(9*2^279507-1)/137	84139	Lelio R Paula	02/2014
5180	11^80792-810	84137	Enzo Doria	11/2012
5181	(97*10^84134-1)/3	84136	Serge Batalov	12/2014
5182	p(17507)#/2+32	84125	Robert Price	12/2016
5183	21485^8224+8224^21485	84116	Hans Havermann	04/2017
5184	3^176294-340	84114	Lelio R Paula	12/2015
5185	(3^176287+4)/2191	84107	Lelio R Paula	12/2012
5186	2^279388-719	84105	Yves Minet	05/2012
5187	(22699*2^279378+1)/221	84104	Lelio R Paula	06/2014
5188	2^279332-110447	84088	Enzo Doria	05/2014
5189	2^279320+7	84084	Lelio R Paula	06/2012
5190	127^39966-2	84081	Lelio R Paula	10/2017
5191	(11*2^279240-1)/95	84059	Lelio R Paula	02/2014
5192	2^279218-111347	84053	Enzo Doria	05/2014
5193	35^54435+2	84052	Lelio R Paula	05/2013
5194	(31*2^279191-1)/12511523	84040	Lelio R Paula	02/2014
5195	20996^10059+10059^20996	84038	Hans Havermann	05/2017
5196	97*10^84033-3	84035	Robert Price	01/2017
5197	21234^9067+9067^21234	84033	Hans Havermann	05/2017
5198	(134569^16384+1)/2	84033	Richard Fischer	06/2018
5199	2^279095-109717	84016	Enzo Doria	04/2014
5200	14^73282-99	83991	Lelio R Paula	11/2015
5201	21457^8200+8200^21457	83979	Hans Havermann	06/2017
5202	89*10^83976-7	83978	Robert Price	03/2017
5203	2^278955+173	83974	Lelio R Paula	06/2012
5204	(7*2^278851+1)/39	83942	Lelio R Paula	12/2012
5205	(9913*2^278844-1)/40803	83940	Lelio R Paula	04/2015
5206	5^120076-14846	83930	Enzo Doria	02/2013
5207	(85*10^83921-1)/3	83923	Robert Price	07/2017
5208	(2^278770-3)/23	83917	Lelio R Paula	12/2012
5209	(10^83916+449)/9	83916	Serge Batalov	12/2014
5210	2^278715+99	83902	Lelio R Paula	06/2012
5211	(132109^16384+1)/2	83902	Richard Fischer	05/2018
5212	40235!2-2^40235	83899	Robert Price	09/2015
5213	2^278698-171	83897	Lelio R Paula	06/2012
5214	(19*10^83894-43)/3	83895	Robert Price	10/2017
5215	6^107802+25	83887	Lelio R Paula	12/2015
5216	8*10^83880+39	83881	Robert Price	01/2017
5217	(58*10^83878+23)/9	83879	Robert Price	09/2015
5218	7^99244-90	83871	Lelio R Paula	10/2015
5219	2^278554+4257	83854	Lelio R Paula	08/2013
5220	2^278504-109619	83839	Enzo Doria	04/2014
5221	2^278499+1870433	83837	Enzo Doria	05/2016
5222	105^41475+104	83829	Norbert Schneider	11/2016
5223	15^71276-68	83828	Lelio R Paula	11/2015
5224	2^278464-216413	83827	Enzo Doria	04/2013
5225	(76*10^83816-211)/9	83817	Robert Price	10/2017
5226	(8*10^83811-101)/3	83812	Robert Price	10/2017
5227	2^278400+40755	83807	Lelio R Paula	08/2013
5228	(9*2^278381-1)/7	83802	Lelio R Paula	02/2014
5229	39^87813+6^87813+24^87813	83796	Mike Oakes	12/2010
5230	19551^19268+19268^19551	83773	Hans Havermann	05/2017
5231	20625^11522+11522^20625	83770	Hans Havermann	05/2017
5232	(44*10^83768-791)/9	83769	Robert Price	10/2017
5233	(87^43189+1)/88	83764	Paul Bourdelais	08/2017
5234	2^278235-49	83758	Lelio R Paula	06/2012
5235	23543^3610+3610^23543	83755	Hans Havermann	05/2017
5237	18^66711-91	83741	Lelio R Paula	11/2015
5236	4*10^83740-89	83741	Robert Price	08/2017
5238	(3*2^278172-1)/11	83738	Lelio R Paula	02/2014
5239	(15*29^57251+2561)/28	83724	Curtis Bright	05/2015
5240	4*7^99059-9	83716	Lelio R Paula	10/2014
5241	(2^278128-3)/126844724149	83714	Lelio R Paula	12/2012
5242	2^278077+1867211	83710	Enzo Doria	03/2016
5243	2^278059-27	83705	Lelio R Paula	06/2012
5244	214^35917+35917^214	83702	Norbert Schneider	12/2014
5245	(23*10^83693+7)/3	83694	Robert Price	10/2015
5246	85^43375-2	83689	Lelio R Paula	09/2013
5247	5*3^175360+4	83669	Lelio R Paula	07/2014
5248	(23^61441-1)/22	83665	Robert Price	01/2012
5249	20091^14596+14596^20091	83664	Hans Havermann	03/2017
5250	2^277907-110629	83659	Enzo Doria	05/2014

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PRP Records

Probable Primes Top 10000

(252402 PRPs in the top)