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 ?
4501	6^146274-18893	113824	Enzo Doria	03/2013
4502	34596^1949+1949^34596	113815	Hans Havermann	02/2021
4503	2^378078+75	113813	Lelio R Paula	03/2013
4504	(28*10^113810+449)/9	113811	Robert Price	11/2021
4505	26273^21448+21448^26273	113799	Hans Havermann	02/2021
4506	2^377966+255255	113780	Paul Bourdelais	10/2021
4507	2^377940+63	113772	Lelio R Paula	03/2013
4508	2^377941-2785843	113772	Enzo Doria	04/2016
4509	2^377810+1875109	113733	Enzo Doria	09/2016
4510	2^377803-1838635	113731	Enzo Doria	05/2015
4511	2^377799+52223	113729	Yves Minet	08/2010
4512	(2^377791+3258)/2	113727	Stefano Morozzi	02/2021
4513	11^109190-270	113710	Enzo Doria	12/2012
4514	28206^10739+10739^28206	113698	Hans Havermann	01/2021
4515	7*10^113693+9	113694	Robert Price	09/2015
4516	13899^27442+27442^13899	113692	Norbert Schneider	12/2020
4517	(82*10^113681+161)/9	113682	Robert Price	10/2019
4518	26121^22478+22478^26121	113673	Hans Havermann	01/2021
4519	4*10^113658+49	113659	Robert Price	01/2019
4520	(10^113656+7)/40231/6439001	113645	Alfred Reich	06/2021
4521	(2*10^113631+529)/9	113631	Robert Price	01/2018
4522	2^377408-2798279	113612	Enzo Doria	04/2016
4523	13706^27459+27459^13706	113596	Norbert Schneider	12/2020
4524	5*10^113586+57	113587	Robert Price	12/2018
4525	(2^377242+2794)/2	113561	Stefano Morozzi	02/2021
4526	2^377222+93679	113556	Yves Minet	02/2011
4528	262147#+316847	113552	Makoto Morimoto	02/2016
4527	27172^15101+15101^27172	113552	Hans Havermann	01/2021
4529	(2^377131+2018)/2	113528	Stefano Morozzi	09/2020
4530	2^377026-458903	113497	Enzo Doria	04/2015
4531	(2^377014+2202)/2	113493	Stefano Morozzi	09/2020
4532	34791^1828+1828^34791	113488	Hans Havermann	02/2021
4533	(2^376967+258)/2	113479	Stefano Morozzi	09/2020
4534	(29*10^113468-17)/3	113469	Robert Price	09/2019
4535	35^73477-34^73477	113454	Robert Price	05/2012
4536	(14*10^113451-89)/3	113452	Robert Price	05/2020
4537	2^376790+27	113426	Lelio R Paula	03/2013
4538	2^376786-112701	113424	Enzo Doria	06/2014
4539	2^376731+21	113408	Lelio R Paula	03/2013
4540	9*10^113394-73	113395	Robert Price	01/2021
4541	29660^6651+6651^29660	113387	Hans Havermann	01/2021
4543	2^376634+1871245	113379	Enzo Doria	05/2016
4542	(4^188318+17)/3	113379	Robert Price	02/2017
4544	E(29532)/492842728006750534663978950979381235	113367	Thomas Ritschel	01/2021
4545	2^376576-344369	113361	Enzo Doria	07/2015
4546	2^376549-4543	113353	Yves Minet	03/2019
4547	(17*2^376526-1)/223	113345	Lelio R Paula	03/2014
4548	(27*2^376441-1)/811	113319	Lelio R Paula	03/2014
4549	(2^376350+3538)/2	113293	Stefano Morozzi	09/2020
4550	27265^14272+14272^27265	113273	Hans Havermann	02/2021
4551	32174^3315+3315^32174	113269	Hans Havermann	02/2021
4552	(2*10^113248+73)/3	113248	Robert Price	09/2020
4553	2^376128-21237	113226	Enzo Doria	06/2013
4554	5*10^113224-81	113225	Robert Price	01/2019
4555	10^113220+51409	113221	Patrick De Geest	02/2021
4557	10^113220-1000001	113220	Robert Price	08/2020
4556	10^113220-61779	113220	Patrick De Geest	02/2021
4558	(2^376102+1578)/2	113218	Stefano Morozzi	09/2020
4559	(2^375996+3102)/2	113186	Stefano Morozzi	09/2020
4560	37258^1091+1091^37258	113184	Hans Havermann	02/2021
4561	(94*10^113176+11)/3	113178	Robert Price	04/2020
4562	(46*10^113162+521)/9	113163	Robert Price	02/2019
4563	(2^375885+3614)/2	113153	Stefano Morozzi	09/2020
4564	(2^375873+2006)/2	113149	Stefano Morozzi	09/2020
4565	3*10^113137+23	113138	Robert Price	03/2022
4566	(8*10^113135-269)/9	113135	Robert Price	09/2021
4567	(2^375726+694)/2	113105	Stefano Morozzi	09/2020
4568	26050^21959+21959^26050	113100	Hans Havermann	02/2021
4569	2^375638-1787171	113079	Enzo Doria	03/2016
4570	(2^375563+2178)/2	113056	Stefano Morozzi	09/2020
4571	2^375537+4847	113048	Yves Minet	02/2011
4572	(17^91837+16^91837)/33	113000	Robert Price	08/2013
4573	5F(270343)(F(270343)+1)+1	112997	Serge Batalov	04/2015
4574	2^375350-3221	112992	Yves Minet	07/2011
4575	(13*2^375306+1)/7	112979	Lelio R Paula	03/2014
4576	2^375305+76757	112979	Enzo Doria	05/2016
4577	2^375258+1874989	112964	Enzo Doria	07/2016
4578	(29^77237-1)/28	112950	Robert Price	04/2012
4579	26620^17483+17483^26620	112939	Hans Havermann	01/2021
4580	2^375154+74959	112933	Enzo Doria	04/2016
4581	(266*10^112930-17)/3	112932	Robert Price	07/2020
4582	(2^375134+778)/2	112927	Stefano Morozzi	09/2020
4583	(85*10^112919+293)/9	112920	Robert Price	12/2019
4584	29412^6899+6899^29412	112907	Hans Havermann	02/2021
4585	(191*10^112903-17)/3	112905	Robert Price	11/2021
4586	(2^375022+1210)/2	112893	Stefano Morozzi	09/2020
4587	25992^22039+22039^25992	112889	Hans Havermann	02/2021
4588	2^374993-2787163	112885	Enzo Doria	11/2015
4589	(697*10^112869+23)/9	112871	Robert Price	04/2021
4590	30420^5111+5111^30420	112813	Hans Havermann	02/2021
4591	13699^27268+27268^13699	112800	Norbert Schneider	12/2020
4592	123^53970+2	112793	Lelio R Paula	06/2013
4593	28942^7887+7887^28942	112785	Hans Havermann	01/2021
4594	2^374640-4685	112778	Yves Minet	05/2019
4595	57290^93+93^57290	112775	Hans Havermann	01/2021
4596	(2^374556+682)/2	112753	Stefano Morozzi	09/2020
4597	p(22852)#/2+512	112745	Robert Price	05/2017
4598	(11*10^112742-131)/3	112743	Robert Price	09/2018
4599	2^374441-21049	112718	Enzo Doria	06/2013
4600	4*10^112706-93	112707	Robert Price	07/2020
4601	(2^374321+1)/3	112682	H.&R. Lifchitz	12/2000
4602	(2^374213+1766)/2	112650	Stefano Morozzi	09/2020
4603	(2^374094+2674)/2	112614	Stefano Morozzi	09/2020
4604	(13^101089-1)/12	112607	Paul Bourdelais	03/2010
4605	3^236011-8828	112606	Enzo Doria	05/2014
4606	31854^3427+3427^31854	112602	Hans Havermann	02/2021
4607	(85*10^112530-373)/9	112531	Robert Price	05/2021
4608	(2^373748+1090)/2	112510	Stefano Morozzi	09/2020
4609	(2^373727+1806)/2	112503	Stefano Morozzi	01/2021
4610	27618^11821+11821^27618	112479	Hans Havermann	01/2021
4611	26343^18580+18580^26343	112460	Hans Havermann	01/2021
4612	39^70666+2	112435	Lelio R Paula	11/2013
4613	(134*10^112400+7)/3	112402	Robert Price	02/2020
4614	(2^373365+326)/2	112394	Stefano Morozzi	09/2020
4615	(2^373350-7)/3	112390	Lelio R Paula	03/2014
4616	2^373306-1840931	112377	Enzo Doria	06/2015
4617	8*10^112371-37	112372	Robert Price	03/2022
4618	(2^373262+270)/2	112363	Stefano Morozzi	09/2020
4619	6*10^112359-79	112360	Robert Price	03/2022
4620	34409^1842+1842^34409	112356	Hans Havermann	02/2021
4621	(142*10^112352-7)/9	112354	Robert Price	12/2019
4622	25580^24633+24633^25580	112336	Hans Havermann	01/2021
4623	2^373117+1872107	112320	Enzo Doria	05/2016
4624	(2^373083+2226)/2	112309	Stefano Morozzi	01/2021
4625	(35*10^112308+37)/9	112309	Robert Price	05/2022
4626	27963^10376+10376^27963	112301	Hans Havermann	01/2021
4627	2^373040+2792761	112297	Enzo Doria	03/2016
4628	EPrime(112280)	112280	Eric W. Weisstein	10/2010
4629	2^372950+7	112270	Lelio R Paula	03/2013
4630	2^372945+1872167	112268	Enzo Doria	05/2016
4631	36274^1243+1243^36274	112249	Hans Havermann	02/2021
4632	(55*10^112246+629)/9	112247	Robert Price	01/2022
4633	(2^372872+3798)/2	112246	Stefano Morozzi	02/2021
4634	25513^25060+25060^25513	112232	Hans Havermann	02/2021
4635	(53*10^112229-611)/9	112230	Robert Price	02/2022
4636	(2^372754+3094)/2	112210	Stefano Morozzi	09/2020
4637	6*10^112208+43	112209	Robert Price	07/2020
4638	(2^372728+3058)/2	112203	Stefano Morozzi	09/2020
4639	32061^3158+3158^32061	112195	Hans Havermann	02/2021
4640	2^372695+72113	112193	Enzo Doria	04/2016
4641	2^372689-2563	112191	Yves Minet	07/2014
4642	2^372638-1859441	112176	Enzo Doria	03/2016
4643	3^235074-113056	112159	Enzo Doria	07/2014
4644	-E(29242)/489848365125303139750087	112140	Thomas Ritschel	01/2021
4645	(2^372514+1822)/2	112138	Stefano Morozzi	02/2021
4646	29468^6387+6387^29468	112135	Hans Havermann	02/2021
4647	(2^372428+3742)/2	112112	Stefano Morozzi	01/2021
4648	25375^25454-25454^25375	112110	Norbert Schneider	01/2021
4649	131^52949-130	112108	Norbert Schneider	02/2019
4650	(91*10^112098-1)/9	112100	Robert Price	04/2015
4651	2^372310-85061	112077	Paul Bourdelais	02/2012
4652	(10^112067+53)/9	112067	Serge Batalov	07/2015
4653	(2^372237+2082)/2	112055	Stefano Morozzi	09/2020
4654	75^59760+2	112054	Lelio R Paula	08/2013
4655	(2^372200+1710)/2	112044	Stefano Morozzi	09/2020
4656	(10^112048+7)/8747/373157	112039	Alfred Reich	06/2021
4657	(2^372181+2250)/2	112038	Stefano Morozzi	01/2021
4658	(2^372161+2574)/2	112032	Stefano Morozzi	09/2020
4659	8*10^112018-49	112019	Robert Price	08/2019
4661	2^372108+74221	112016	Enzo Doria	04/2016
4660	(2^372109+2046)/2	112016	Stefano Morozzi	09/2020
4662	8*10^112011-73	112012	Robert Price	01/2022
4663	(184*10^112007-1)/3	112009	Robert Price	02/2020
4664	5*10^112003+81	112004	Robert Price	03/2019
4665	215^48018+48018^215	112000	Norbert Schneider	10/2018
4666	25549^24148+24148^25549	111979	Hans Havermann	02/2021
4667	2^371970-459491	111975	Enzo Doria	05/2015
4668	41^69427-40^69427	111971	Robert Price	07/2012
4669	(2^371782+358)/2	111918	Stefano Morozzi	01/2021
4670	(34*10^111902-547)/9	111903	Robert Price	03/2021
4671	(10^111902+71)/9	111902	Serge Batalov	07/2015
4672	(2^371625+1610)/2	111870	Stefano Morozzi	09/2020
4673	29080^7027+7027^29080	111865	Hans Havermann	01/2021
4674	31307^3730+3730^31307	111820	Hans Havermann	02/2021
4675	2^371440-112865	111815	Enzo Doria	06/2014
4676	2^371426-459161	111811	Enzo Doria	05/2015
4677	25768^21771+21771^25768	111779	Hans Havermann	02/2021
4678	28022^9747+9747^28022	111777	Hans Havermann	02/2021
4679	(94*10^111770+11)/3	111772	Robert Price	04/2020
4680	2^371276-461267	111766	Enzo Doria	07/2015
4681	6*10^111760+43	111761	Robert Price	07/2020
4682	98079!4-1024	111747	Robert Price	11/2019
4683	(2^371186+3162)/2	111738	Stefano Morozzi	09/2020
4684	2^371098-113261	111712	Enzo Doria	07/2014
4685	(7*10^111706-61)/9	111706	Erik Branger	01/2011
4686	2^371044+1869391	111696	Enzo Doria	05/2016
4687	26310^17581+17581^26310	111688	Hans Havermann	01/2021
4688	88^57416+87	111645	Norbert Schneider	11/2015
4689	2^370829-109693	111631	Enzo Doria	04/2014
4690	15^94906-2	111619	Lelio R Paula	11/2013
4691	25835^20904+20904^25835	111614	Hans Havermann	02/2021
4692	(2^370726+1198)/2	111600	Stefano Morozzi	09/2020
4693	27758^10479+10479^27758	111597	Hans Havermann	02/2021
4694	2^370695-4627	111591	Yves Minet	05/2019
4695	7*10^111579-87	111580	Robert Price	06/2020
4696	2^370643-37	111575	Yves Minet	01/2012
4697	(2^370655-5)/2439	111575	Lelio R Paula	03/2014
4698	2^370610-3911	111565	Yves Minet	04/2017
4699	(154*10^111549+17)/9	111551	Robert Price	06/2022
4700	26200^18097+18097^26200	111550	Hans Havermann	01/2021
4701	286^45405+45405^286	111532	Norbert Schneider	04/2015
4702	4*5^159563-9	111531	Lelio R Paula	11/2014
4703	5*10^111528-21	111529	Robert Price	12/2021
4704	(4^185225+23)/3	111517	Robert Price	10/2018
4705	2^370393-2797093	111500	Enzo Doria	03/2016
4706	(21*2^370382-1)/629	111495	Lelio R Paula	03/2014
4707	(2^370371+554)/2	111493	Stefano Morozzi	09/2020
4708	6^143273-5	111489	Paul Bourdelais	01/2021
4709	2^370292-2791979	111469	Enzo Doria	03/2016
4710	2^370177-461551	111435	Enzo Doria	07/2015
4711	(2^370169+1706)/2	111432	Stefano Morozzi	09/2020
4712	109^54683-108	111413	Norbert Schneider	02/2017
4713	(83*10^111406-173)/9	111407	Robert Price	04/2021
4714	(2^370043+1010)/2	111394	Stefano Morozzi	09/2020
4715	32961^2396+2396^32961	111392	Hans Havermann	10/2020
4716	numbpart(10^10+76282)	111391	Serge Batalov	04/2015
4717	(23*10^111380-29)/3	111381	Robert Price	03/2022
4718	2^369974+733	111374	Lelio R Paula	05/2013
4719	121^53470+120	111367	Norbert Schneider	10/2018
4720	2^369915-286267	111356	Enzo Doria	07/2015
4721	(62*10^111347-629)/9	111348	Robert Price	07/2021
4722	2^369855-1615	111338	Lelio R Paula	05/2017
4723	7*10^111325+3	111326	Robert Price	08/2015
4724	51^65176+2	111293	Lelio R Paula	08/2013
4725	2^369643-1865767	111274	Enzo Doria	03/2016
4726	2^369603+885	111262	Lelio R Paula	05/2017
4727	25555^22564+22564^25555	111252	Hans Havermann	10/2020
4728	L(532277)	111240	Renaud Lifchitz	03/2004
4729	105^55033-2	111233	Lelio R Paula	10/2017
4730	(35*10^111232-737)/9	111233	Robert Price	07/2018
4731	26970^13307+13307^26970	111227	Hans Havermann	10/2020
4732	25419^23716+23716^25419	111210	Hans Havermann	10/2020
4733	9*10^111201-29	111202	Robert Price	09/2019
4734	2^369392+29835	111199	Lelio R Paula	05/2017
4735	3^233059+16	111198	Robert Price	03/2020
4736	2^369354-3413	111187	Yves Minet	12/2016
4737	2^369296-27	111170	Lelio R Paula	02/2013
4738	2^369239-109837	111153	Enzo Doria	05/2014
4739	2^369224-291839	111148	Enzo Doria	07/2015
4740	2^369216+2798881	111146	Enzo Doria	04/2016
4741	26842^13817+13817^26842	111137	Hans Havermann	11/2020
4742	(5*10^111119-191)/3	111120	Robert Price	05/2021
4743	(29*10^111112-23)/3	111113	Robert Price	03/2022
4744	10^111111+163849	111112	Patrick De Geest	03/2017
4745	10^111111-312911	111111	Patrick De Geest	03/2017
4746	2^369092-216923	111108	Enzo Doria	05/2014
4747	2^369081-55	111105	Lelio R Paula	02/2013
4748	(2^369047+3618)/2	111094	Stefano Morozzi	09/2020
4749	88^57124-87	111077	Norbert Schneider	11/2015
4750	2^368980+753	111075	Lelio R Paula	05/2013

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