Henri LIFCHITZ's FactoProths and PrimoProths records

	FactoProths	Digits (p1)	Who?	When?	comment
1	20!*2^508603-1	153124	Dirk Augustin	02/2021
2	16!*2^418753-1	126071	Dirk Augustin	02/2021
3	15!*2^342741-1	103188	Dirk Augustin	02/2021
4	15!*2^309879-1	93295	Dirk Augustin	02/2021
5	13!*2^153294+1	46156	Didier Boivin	09/2002
6	16!*2^146548+1	44129	Dirk Augustin	04/2002
7	16!*2^116653+1	35130	Dirk Augustin	03/2002
8	2011!*2^23155+1	12743	Dirk Augustin	05/2001
9	1968!*2^20702+1	11862	Didier Boivin	04/2001
10	1968!*2^20189+1	11708	Didier Boivin	04/2001
11	1962!*2^18712+1	11244	Paul Underwood	04/1999
12	800!*2^6079+1	3807	Didier Boivin	10/2000
13	800!*2^5997+1	3783	Didier Boivin	10/2000
14	600!*2^4859+1	2871	Didier Boivin	10/2000

1	1504!2^37978+1, 1504!2^37979+1	15560	Dirk Augustin	02/2021	Cunn.2 L=2
2	1116!2^41795+1, 1116!2^41796+1	15500	Dirk Augustin	02/2021	Cunn.2 L=2
3	2201!*2^28288+/-1	14919	Dirk Augustin	02/2021	Twin
4	880!*2^41567+/-1	14724	Dirk Augustin	02/2021	Twin
5	1163!2^34940-1, 1163!2^34941-1	13581	Dirk Augustin	02/2021	Sophie Germain
6	2252!*2^22031+/-1	13207	Dirk Augustin	02/2021	Twin
7	555!2^39440-1, 555!2^39441-1	13157	Dirk Augustin	02/2021	Sophie Germain
8	621!2^36828-1, 621!2^36829-1	12553	Dirk Augustin	02/2021	Sophie Germain
9	2065!2^21329-1, 2065!2^21330-1	12372	Dirk Augustin	02/2021	Sophie Germain
10	1715!*2^9070+/-1	7535	Dirk Augustin	08/2016	Twin
11	1691!2^8574+1, 1691!2^8575+1	7308	Dirk Augustin	08/2016	Cunn.2 L=2
12	1460!*2^5696+/-1	5703	Dirk Augustin	08/2016	Twin
13	1603!*2^1857+/-1	5003	Dirk Augustin	08/2016	Twin
14	1292!2^4229-1, 1292!2^4230-1	4734	Dirk Augustin	08/2016	Sophie Germain
15	1011!2^604+1, 1011!2^605+1	2783	Donovan Johnson	07/2005	Cunn.2 L=2
16	1017!2^288+1, 1017!2^289+1	2706	Donovan Johnson	07/2005	Cunn.2 L=2
17	86!2^7864-1, 86!2^7865-1	2498	Donovan Johnson	07/2005	Sophie Germain
18	943!2^48+1, 943!2^49+1	2412	Dirk Augustin	03/2002	Cunn.2 L=2
19	23!*2^6868+/-1	2090	Donovan Johnson	07/2005	Twin
20	625!*2^770+/-1	1710	Donovan Johnson	07/2005	Twin
21	108!2^5052+1, 108!2^5053+1	1695	Donovan Johnson	07/2005	Cunn.2 L=2
22	444!2^1948-1, 444!2^1949-1	1571	Donovan Johnson	07/2005	Sophie Germain
23	577!*2^494+/-1	1494	Donovan Johnson	07/2005	Twin
24	484!2^1182-1, 484!2^1183-1	1447	Donovan Johnson	07/2005	Sophie Germain
25	398!2^1762-1, 398!2^1763-1	1395	Donovan Johnson	07/2005	Sophie Germain
26	536!*2^489 +/-1	1380	Donovan Johnson	07/2005	Twin
27	558!2^251+1, 558!2^252+1	1368	Donovan Johnson	07/2005	Cunn.2 L=2
28	351!2^1858+1, 351!2^1859+1	1302	Donovan Johnson	07/2005	Cunn.2 L=2
29	478!2^621-1 , 478!2^622-1	1262	Donovan Johnson	07/2005	Sophie Germain
30	510!2^281+1, 510!2^282+1	1246	Donovan Johnson	07/2005	Cunn.2 L=2
31	370!2^1382+1, 370!2^1383+1	1208	Donovan Johnson	07/2005	Cunn.2 L=2
32	300!2^1909-1, 300!2^1910-1	1190	Donovan Johnson	07/2005	Sophie Germain
33	319!2^1720-1, 319!2^1721-1	1180	Donovan Johnson	07/2005	Sophie Germain
34	377!2^1219+1, 377!2^1220+1	1177	Donovan Johnson	07/2005	Cunn.2 L=2
35	332!*2^1596+/-1	1175	Donovan Johnson	07/2005	Twin
36	428!2^714-1, 428!2^715-1	1158	Donovan Johnson	07/2005	Sophie Germain
37	346!*2^1200 +/-1	1092	Donovan Johnson	07/2005	Twin
38	422!*2^460 +/-1	1065	Donovan Johnson	07/2005	Twin
39	61!*2^3254 +/- 1	1064	Dirk Augustin	03/2002	Twin
40	415!2^497+1, 415!2^498+1	1058	Donovan Johnson	07/2005	Cunn.2 L=2
41	362!2^848-1, 362!2^849-1	1026	Donovan Johnson	07/2005	Sophie Germain
42	378!2^5+1, 378!2^6+1	814	Dirk Augustin	03/2002	Cunn.2 L=2
43	361!*2^88+/- 1	795	Dirk Augustin	03/2002	Twin
44	70!*2^1751+/- 1	628	Dirk Augustin	03/2002	Twin
45	45!*2^1768+/-1	589	Henri Lifchitz	02/1999	Twin
46	187!2^536+1, 187!2^537+1	507	Dirk Augustin	03/2002	Cunn.2 L=2
47	67!*2^486+/-1	242	Henri Lifchitz	02/1999	Twin
48	71!2^445+1, 71!2^446+1	237	Henri Lifchitz	02/1999	Cunn. 2 L=2
49	8!*2^760+/-1	234	Henri Lifchitz	02/1999	Twin
50	48!*2^547+/-1	226	Henri Lifchitz	02/1999	Twin

1	89!2^92-1, 89!2^93-1, 89!*2^94-1	164	Dirk Augustin	03/2002	Cunn.1 L=3
2	68!2^30-1, 68!2^31-1, 68!*2^32-1	106	Dirk Augustin	08/2016	Cunn.1 L=3

	PrimoProths	Digits	Who?	When?	comment
1	29#*2^470644+1	141688	Dirk Augustin	02/2021
2	29#*2^217138+1	65375	Dirk Augustin	02/2021
3	23#*2^109725-1	33039	Robert Smith	03/2002
4	373#*2^100186+1	30310	Torbjörn Alm	05/2002
5	373#*2^96453+1	29186	Torbjörn Alm	05/2002
6	373#*2^95126+1	28787	Torbjörn Alm	05/2002
7	373#*2^93476+1	28290	Torbjörn Alm	05/2002
8	373#*2^93242+1	28220	Torbjörn Alm	05/2002
9	23#*2^90093+1	27130	Goran Axelsson	2002
10	373#*2^88129+1	26681	Torbjörn Alm	05/2002
11	28513#*2^45945+1	26109	Henri Lifchitz	12/1999
12	373#*2^86127+1	26078	Torbjörn Alm	05/2002
13	23#*2^86463-1	26037	Robert Smith	03/2002
14	23#*2^84796-1	25535	Robert Smith	03/2002
15	23#*2^77525-1	23346	Robert Smith	02/2002
16	373#*2^72203+1	21886	Torbjörn Alm	05/2002
17	23#*2^71400-1	21502	Robert Smith	02/2002
18	373#*2^68728+1	20840	Torbjörn Alm	05/2002
19	373#*2^67982+1	20616	Torbjörn Alm	05/2002
20	373#*2^65833+1	19969	Torbjörn Alm	05/2002
21	373#*2^62471+1	18957	Torbjörn Alm	05/2002
22	23#*2^60273-1	18153	Robert Smith	02/2002
23	23#*2^58839-1	17721	Robert Smith	02/2002
24	373#*2^57413+1	17434	Torbjörn Alm	05/2002
25	373#*2^55156+1	16755	Torbjörn Alm	05/2002
26	373#*2^52136+1	15846	Torbjörn Alm	05/2002
27	23#*2^51806+1	15604	Jim Buddenhagen	1997
28	23#*2^50808-1	15304	Robert Smith	02/2002
29	373#*2^49787+1	15139	Torbjörn Alm	05/2002
30	373#*2^47843+1	14553	Torbjörn Alm	05/2002
31	373#*2^47153+1	14346	Torbjörn Alm	05/2002
32	23#*2^47499-1	14307	Giovanni la Barbera	1999
33	373#*2^45948+1	13983	Torbjörn Alm	05/2002
34	373#*2^45789+1	13935	Torbjörn Alm	05/2002
35	373#*2^45371+1	13809	Torbjörn Alm	05/2002
36	23#*2^43847-1	13208	Robert Smith	02/2002
37	373#*2^42360+1	12903	Torbjörn Alm	05/2002
38	373#*2^42298+1	12884	Torbjörn Alm	05/2002
39	373#*2^41257+1	12571	Torbjörn Alm	05/2002
40	23#*2^41200-1	12411	Robert Smith	02/2002
41	23#*2^40385-1	12166	Robert Smith	02/2002
42	23#*2^39485-1	11895	Robert Smith	02/2002
43	17#*2^39346+1	11851	Robert Smith	02/2002
44	23#*2^37938-1	11429	Robert Smith	02/2002
45	12577#*2^18501+1	10974	Henri Lifchitz	02/1999
46	23#*2^36082-1	10871	Robert Smith	02/2002
47	23#*2^34813-1	10489	Robert Smith	02/2002
48	17#*2^34786-1	10478	Robert Smith	03/2002
49	11#*2^34712+1	10453	Robert Smith	03/2002
50	19#*2^33763-1	10171	Robert Smith	03/2002
	19#*2^33743-1	10165	Robert Smith	03/2002
	23#*2^33725+1	10161	Robert Smith	02/2002
	23#*2^33303-1	10034	Robert Smith	02/2002
	17#*2^30793+1	9276	Robert Smith	02/2002
	17#*2^30661+1	9236	Robert Smith	02/2002
	10159#*2^15243+1	8959	Henri Lifchitz	02/1999
	17#*2^29005+1	8738	Robert Smith	02/2002
	8171#*2^16352+1	8418	Henri Lifchitz	02/1999
	9743#*2¹³⁹⁸⁹+1	8402	Henri Lifchitz	02/1999
	23#*2^27734+1	8358	Robert Smith	02/2002
	8059#*2^16120+1	8297	Henri Lifchitz	01/1999
	23#*2^27200-1	8197	Robert Smith	02/2002
	23#*2^26774+1	8069	Robert Smith	02/2002
	8500#*2^14709+1	8052	Paul Jobling	04/1999
	17#*2^26587+1	8010	Robert Smith	02/2002
	7669#*2^15340+1	7902	Henri Lifchitz	02/1999
	23#*2^26207-1	7898	Robert Smith	02/2002

	35209#2^31419+1	11681	Henri Lifchitz	03/1999	near primoproth

1	9769#2^29938-1, 9769#2^29939-1	13215	Dirk Augustin	02/2021	Sophie Germain
2	13339#2^23706-1, 13339#2^23707-1	12882	Dirk Augustin	02/2021	Sophie Germain
3	1237#2^40875+1, 1237#2^40876+1	12827	Dirk Augustin	02/2021	Cunn. 2 L=2
4	1993#*2^39533 +/-1	12737	Dirk Augustin	02/2021	Twin
5	1699#2^39611+1, 1699#2^39612+1	12646	Dirk Augustin	02/2021	Cunn. 2 L=2
6	11239#*2^14401 +/-1	9153	Didier Boivin	03/2012	Twin
7	11197#*2^10182 +/-1	7875	Donovan Johnson	07/2005	Twin
8	6553#2^16727+1, 6553#2^16728+1	7838	Donovan Johnson	07/2005	Cunn. 2 L=2
9	12097#*2^7819 +/-1	7533	Donovan Johnson	07/2005	Twin
10	13#2^23869+1, 13#2^23870+1	7190	Jeffrey Young	1993	Cunn. 2 L=2
11	8753#2^7802-1, 8753#2^7803-1	6103	Donovan Johnson	07/2005	Sophie Germain
12	10513#2^4947+1, 10513#2^4948+1	6016	Donovan Johnson	07/2005	Cunn. 2 L=2
13	4789#2^12298-1, 4789#2^12299-1	5743	Dirk Augustin	03/2004	Sophie Germain
14	4049#*2^11483 +/-1	5185	Dirk Augustin	03/2004	Twin
15	59#2^13965+1, 59#2^13966+1	4226	Torbjörn Alm	06/2002	Cunn. 2 L=2
16	443#*2^10285 +/-1	3279	?	?	Twin
17	3271#*2^6091 +/1	3219	Donovan Johnson	07/2005	Twin
18	3011#2^6092+1, 3011#2^6093+1	3115	Donovan Johnson	07/2005	Cunn. 2 L=2
19	3181#*2^3755 +/-1	2474	Donovan Johnson	07/2005	Twin
20	631#2^6964-1, 631#2^6965-1	2358	Dirk Augustin	04/2002	Sophie Germain
21	431#2^7045-1, 431#2^7046-1	2295	Dirk Augustin	04/2002	Sophie Germain
22	3083#2^2839-1 , 3083#2^2840-1	2167	Donovan Johnson	07/2005	Sophie Germain
23	431#*2^6337 +/-1	2082	Dirk Augustin	05/2002	Twin
24	457#2^6106-1, 457#2^6106-1	2026	Dirk Augustin	04/2002	Sophie Germain
25	3347#2^1904+1, 3347#2^1905+1	1994	Donovan Johnson	07/2005	Cunn. 2 L=2
26	3229#2^2039+1, 3229#2^2040+1	1982	Donovan Johnson	07/2005	Cunn. 2 L=2
27	1289#*2^4700 +/-1	1956	Didier Boivin	05/2002	Twin
28	3061#2^1254+1, 3061#2^1255+1	1679	Donovan Johnson	07/2005	Cunn. 2 L=2
29	1697#*2^3113 +/-1	1656	Didier Boivin	05/2002	Twin
30	1327#*2^3420 +/-1	1596	Didier Boivin	05/2002	Twin
31	3319#*2^588 +/-1	1581	Donovan Johnson	07/2005	Twin
32	1129#*2^3575 +/-1	1556	Didier Boivin	05/2002	Twin
33	199#2^4819+1, 199#2^4820+1	1533	Robert Smith	03/2002	Cunn. 2 L=2
34	223#*2^4582 +/-1	1466	Robert Smith	05/2002	Twin
35	311#2^4303-1, 311#2^4304-1	1421	Robert Smith	03/2002	Sophie Germain
36	163#2^4346-1, 163#2^4347-1	1373	Robert Smith	03/2002	Sophie Germain
37	947#*2^3246 +/-1	1372	Didier Boivin	05/2002	Twin
38	193#2^3898-1, 193#2^3899-1	1251	Robert Smith	03/2002	Sophie Germain
39	727#*2^3011 +/-1	1208	Didier Boivin	05/2002	Twin
40	1097#*2^2317 +/-1	1162	Didier Boivin	05/2002	Twin
41	1493#*2^1758 +/-1	1162	Didier Boivin	05/2002	Twin
42	1321#*2^1902 +/-1	1135	Didier Boivin	05/2002	Twin
43	349#*2^3026 +/-1	1052	Marcin Lipinski	05/2002	Twin
44	1433#*2^1402 +/-1	1020	Didier Boivin	05/2002	Twin
45	857#*2^2112 +/-1	992	Didier Boivin	05/2002	Twin
46	617#*2^2424 +/-1	986	Didier Boivin	05/2002	Twin
47	587#*2^2324 +/-1	939	Didier Boivin	05/2002	Twin
48	1031#*2^1569 +/-1	903	Didier Boivin	05/2002	Twin
49	541#*2^2265 +/-1	902	Didier Boivin	05/2002	Twin
50	1361#*2^1023 +/-1	877	Didier Boivin	05/2002	Twin
	1187#*2^1236 +/-1	870	Didier Boivin	05/2002	Twin
	1049#*2^1197 +/-1	800	Didier Boivin	05/2002	Twin
	307#2^2216+1, 307#2^2217+1	790	Robert Smith	03/2002	Cunn. 2 L=2
	467#*2^1941 +/-1	780	Didier Boivin	05/2002	Twin
	373#2^1773+1, 373#2^1774+1	685	Torbjörn Alm	05/2002	Cunn. 2 L=2
	103#2^2102+1, 103#2^2103+1	674	Robert Smith	03/2002	Cunn. 2 L=2
	1193#*2^526 +/-1	659	Didier Boivin	05/2002	Twin
	631#*2^1191 +/-1	620	Henri Lifchitz	01/1999	Twin
	1033#*2^587 +/-1	611	Didier Boivin	05/2002	Twin
	269#2^1550+1, 269#2^1551+1	575	Robert Smith	03/2002	Cunn. 2 L=2
	83#2^1784-1, 83#2^1785-1	570	Robert Smith	02/2002	Sophie Germain
	431#2^1306+1, 431#2^1307+1	568	Henri Lifchitz	01/1999	Cunn. 2 L=2
	1229#*2^69 +/-1	537	Didier Boivin	05/2002	Twin
	401#2^1223+1, 401#2^1224+1	532	Torbjörn Alm	05/2002	Cunn. 2 L=2
	839#*2^567 +/-1	521	Didier Boivin	05/2002	Twin
	107#2^1544+1, 107#2^1545+1	508	Robert Smith	03/2002	Cunn. 2 L=2
	271#2^1311-1, 271#2^1312-1	506	Henri Lifchitz	01/1999	Sophie Germain
	569#2^843-1, 569#2^844-1	485	Henri Lifchitz	01/1999	Sophie Germain
	1069#*2^102 +/-1	483	Didier Boivin	05/2002	Twin
	277#2^1195+1, 277#2^1196+1	473	Robert Smith	03/2002	Cunn. 2 L=2
	97#2^1402+1, 97#2^1403+1	460	Henri Lifchitz	01/1999	Cunn. 2 L=2
	347#*2^1066 +/-1	459	Henri Lifchitz	01/1999	Twin
	419#*2^804 +/-1	411	Henri Lifchitz	01/1999	Twin
	197#2^930-1, 197#2^931-1	361	Henri Lifchitz	01/1999	Sophie Germain
	37#2^582-1, 37#2^583-1	189	Robert Smith	02/2002	Sophie Germain

1	383#2^102-1 383#2^103-1 383#*2^104-1	187	Donovan Johnson	07/2005	Cunn. 1 L=3
2	167#2^356-1 167#2^357-1 167#*2^358-1	174	Robert Smith	03/2002	Cunn. 1 L=3

1	227#2^29-1 227#2^30-1 227#2^31-1 227#2^32-1	98	Robert Smith	03/2002	Cunn. 1 L=4
2	71#2^189-1 71#2^189+1 71#2^190-1 71#2^190+1	84	Henri Lifchitz	01/1999	BiTwin
3	137#2^76-1 137#2^76+1 137#2^77-1 137#2^77+1	76	Didier Boivin	05/2002	BiTwin