PRP Top - Top discoverers

Top discoverers by number of PRPs

Rank	Discoverer	Score
1	Tony Prest / Never Odd Or Even	103823
2	Lelio R Paula	31241
3	Patrick De Geest	21102
4	Stefano Morozzi	15930
5	Enzo Doria	13793
6	Syoichiro Yamada	13745
7	Robert Price	10895
8	Ray Chandler	8631
9	David Broadhurst	7813
10	Paul Bourdelais	7526
11	Gilbert Mozzo	4720
12	Milton L. Brown	3224
13	Donovan Johnson	3116
14	Kimmo Herranen	2745
15	Serge Batalov	2688
16	Mike Oakes	2437
17	Yves Minet	2217
18	Norbert Schneider	2046
19	Bernardo Boncompagni	1489
20	Henri Lifchitz	964
21	Hans Havermann	856
22	Andrey Kulsha	801
23	Wayne Halsdorf	674
24	Jason Earls	614
25	Joe McLean	594
26	Makoto Morimoto	584
27	Jim Fougeron	580
28	Jens K. Andersen	573
29	Anatoly F. Selevich	475
30	Kenneth Egtved Pedersen	422
31	Robert Smith	374
32	Paul Underwood	336
33	Erik Branger	331
34	Maksym Voznyy	271
35	Jorge Menendez	241
36	Richard Fischer	216
37	Gary Barnes	170
38	Gary Chaffey	162
39	Ryan C Weaving	158
40	Markus Hiltbrunner	123
41	Kevin Acres	109
42	Harald Ritter	94
42	Michael Porter	94
44	Jean-Louis Charton	93
45	Jiahao He	91
46	Matt Stath	82
47	Daniel Heuer	80
48	T. D. Noe	79
49	Eric Chen	77
50	Paul Leyland	71
50	Sinkiti Sibata	71
52	Dmitry Domanov	68
53	Curtis Bright	61
54	Eric W. Weisstein	57
55	Sander Hoogendoorn	54
56	D.Broadhurst and W.Edgington	53
57	Michael Vang	52
58	Renaud Lifchitz	49
59	Theodore Burton	45
60	Arkadiusz Wesolowski	44
61	Nicolas PALAU	43
61	Mark Rodenkirch	43
63	Makoto Kamada	40
64	Patrick Schmeer	39
65	Thomas Masser	36
66	Cletus Emmanuel	30
66	Pedja Terzic	30
68	Harvey Dubner	27
68	Faysal YAtim	27
70	Greg Childers	24
71	Paul Schmidt	23
72	Wojciech Florek	22
73	Paul Vanderveen	21
74	Danilo Nitsche	20
74	Gord Palameta	20
76	Joel Levy	19
76	Rob Binnekamp	19
78	Predrag Minovic	18
78	Ken Davis	18
80	Robert Kinser	17
80	Bouk de Water	17
82	Nik Lygeros / Olivier Rozier	11
83	Thomas Ritschel	10
83	Alexander Zhirkov	10
83	Michael Stocker	10
83	Marcin Lipinski	10
83	Raffi Chaglassian	10
88	Alexander Kuzmich	9
88	Darren Bedwell	9
88	D. Broadhurst & B. de Water	9
88	Kamil Duszenko	9
88	Dario Alpern	9
93	Walter Nissen	8
93	Nik Lygeros / Olivier Rozier / LR team	8
93	Leonid Muraviov	8
93	Anton Vrba	8
93	M. Frind & P. Underwood	8
98	H.&R. Lifchitz	7
98	Karsten Bonath	7
98	James G. Merickel	7
98	Jean Penné	7
102	Dirk Augustin	6
103	Payam Samidoost	5
103	Tom Wu	5
103	Pierre CAMI	5
103	Anonymous	5
103	Borys Jaworski	5
103	Marisa Kirisame	5
109	Dylan Delgado	4
109	Décio Gazzoni Filho	4
109	Anand Nair	4
109	V.M.Ulyanov	4
109	Marek Hubal	4
114	Paul Jobling	3
114	Giovanni Di Maria	3
114	D. Gazzoni Filho & Lucas Teixeira	3
114	Hugo Platzer	3
114	Harsh Aggarwal	3
114	Ryan Propper	3
114	Ben Maloney / Five or Bust	3
114	Matthias Baur	3
114	Alexander Gramolin	3
114	Akihiko Yoshida	3
114	Phil Moore	3
114	Meng-Hsuan Wu	3
114	Jeppe Stig Nielsen	3
114	Richard McIntosh	3
114	Jiong Sun	3
129	Ray Ballinger	2
129	Ed Pegg	2
129	Steven Harvey	2
129	Ananda Tallur & Jean-Louis Charton	2
129	Valeryi Kuryshev	2
129	Andy Klingeleers	2
129	Andy Steward	2
129	Rubén Blanco	2
129	Ryan Propper + Sergey Batalov	2
129	Dmitry Kamenetsky	2
129	Peter Liaskovsky	2
129	Markus Tervooren	2
129	Michael Kwok	2
129	J. Alm & D. Johnson	2
129	Engracio Esmenda / Five or Bust	2
129	Leonid Durman	2
129	Lewis,Jobling,Nash	2
129	Peter Lesala	2
147	Michael Eaton	1
147	Matthias Wurtinger	1
147	Tetsuya Kobayashi	1
147	Luke W. Richards	1
147	MohamedReda Kebbaj	1
147	Jorge Coveiro	1
147	Matthew Peets	1
147	Kurt Beschorner	1
147	Lew Baxter	1
147	William Garnett	1
147	Vincent Diepeveen	1
147	Adrian Bondrescu	1
147	Tony Reix / Diepeveen-Underwood -Reix	1
147	Connor Deptuck	1
147	Alfred Reich	1
147	Sean A. Irvine	1
147	Dudley Fox	1
147	Richard FitzHugh	1
147	Giovanni La Barbera	1
147	GIMPS-fre_games	1
147	Peter Kaiser	1
147	Polly T. Wang	1
147	Ed Trice	1
147	Ed T. Prothro	1
147	Guido Smetrijns	1
147	Paul Bourdelais, Harvey Dubner	1
147	Nuutti Kuosa	1
147	Hugo Pfoertner	1
147	Phil Carmody	1
147	Oliver Kruse	1
147	D.Broadhurst and M.Kamada	1
147	Göran Hemdal	1
147	D.Broadhurst and N.Mandela	1
147	paolo galliani	1
147	Cyclamen Persicum	1

Top discoverers by production score^*

Rank	Discoverer	Score
1	Ryan Propper	51.5924
2	Ryan Propper + Sergey Batalov	50.7635
3	Paul Bourdelais	50.5794
4	GIMPS-fre_games	50.1446
5	Tony Prest / Never Odd Or Even	50.1288
6	Engracio Esmenda / Five or Bust	49.8812
7	Enzo Doria	49.8063
8	Gord Palameta	49.3233
9	Oliver Kruse	49.0532
10	Serge Batalov	48.6200
11	Robert Price	48.0194
12	Ben Maloney / Five or Bust	47.7568
13	Stefano Morozzi	47.6043
14	Lelio R Paula	47.4747
15	Tony Reix / Diepeveen-Underwood -Reix	47.2269
16	Patrick De Geest	47.1706
17	Curtis Bright	47.1095
18	Nik Lygeros / Olivier Rozier / LR team	47.1065
19	Anand Nair	47.0205
20	Henri Lifchitz	46.8183
21	Makoto Morimoto	46.7543
22	Peter Kaiser	46.6330
23	Nik Lygeros / Olivier Rozier	46.5672
24	Jean-Louis Charton	46.4485
25	Alexander Zhirkov	46.0775
26	Yves Minet	45.8797
27	Hans Havermann	45.8598
28	Borys Jaworski	45.7963
29	Mike Oakes	45.4811
30	Norbert Schneider	45.2373
31	Michael Stocker	45.1413
32	Adrian Bondrescu	45.1328
33	Dario Alpern	44.9364
34	Jorge Coveiro	44.8701
35	Leonid Durman	44.5445
36	Erik Branger	44.5434
37	Maksym Voznyy	44.0643
38	Phil Moore	43.9356
39	Renaud Lifchitz	43.9182
40	Ray Chandler	43.7713
41	Anatoly F. Selevich	43.6366
42	Danilo Nitsche	43.4553
43	Matthias Wurtinger	43.4236
44	Jorge Menendez	43.3474
45	Syoichiro Yamada	43.3093
46	paolo galliani	43.1908
47	Donovan Johnson	43.1363
48	Eric W. Weisstein	42.9487
49	Ed Trice	42.9402
50	Vincent Diepeveen	42.9031
51	Mark Rodenkirch	42.8684
52	Robert Smith	42.7237
53	Robert Kinser	42.5587
54	Thomas Ritschel	42.4295
55	Jens K. Andersen	42.4271
56	Milton L. Brown	42.4230
57	Richard Fischer	42.3849
58	Gilbert Mozzo	42.3829
59	Luke W. Richards	42.2565
60	Markus Tervooren	42.2013
61	Makoto Kamada	42.1697
62	Kevin Acres	42.1267
63	Alexander Gramolin	42.0680
64	Andy Steward	42.0678
65	Dmitry Domanov	41.9615
66	David Broadhurst	41.9510
67	Akihiko Yoshida	41.9008
68	Wayne Halsdorf	41.8768
69	Theodore Burton	41.8735
70	Kimmo Herranen	41.7829
71	Eric Chen	41.7427
72	Karsten Bonath	41.7119
73	Nicolas PALAU	41.6474
74	Matthias Baur	41.5055
75	Michael Vang	41.5045
76	Joe McLean	41.4510
77	Jason Earls	41.4443
78	Cletus Emmanuel	41.3699
79	Paul Underwood	41.2942
80	Faysal YAtim	41.2683
81	Valeryi Kuryshev	41.2673
82	Matt Stath	41.2258
83	Gary Barnes	41.2070
84	Dylan Delgado	41.1947
85	Andrey Kulsha	41.1560
86	Payam Samidoost	41.1236
87	Jean Penné	41.0866
88	M. Frind & P. Underwood	41.0735
89	T. D. Noe	41.0112
90	Paul Vanderveen	40.7289
91	Bernardo Boncompagni	40.6902
92	Darren Bedwell	40.5716
93	H.&R. Lifchitz	40.5526
94	Marek Hubal	40.5299
95	Michael Porter	40.4610
96	Jiahao He	40.2751
97	Arkadiusz Wesolowski	40.0345
98	Marisa Kirisame	40.0015
99	Jim Fougeron	39.9920
100	Daniel Heuer	39.8964
101	Paul Bourdelais, Harvey Dubner	39.8282
102	Sander Hoogendoorn	39.8108
103	Jeppe Stig Nielsen	39.6131
104	D. Gazzoni Filho & Lucas Teixeira	39.6113
105	Predrag Minovic	39.5972
106	Wojciech Florek	39.5962
107	Ryan C Weaving	39.5308
108	Sinkiti Sibata	39.4834
109	Kurt Beschorner	39.3559
110	Dirk Augustin	39.2949
111	Alfred Reich	39.1359
112	Kenneth Egtved Pedersen	39.1165
113	Lew Baxter	39.1057
114	Anonymous	38.9690
115	Pedja Terzic	38.9591
116	Harald Ritter	38.8053
117	Patrick Schmeer	38.6236
118	Ananda Tallur & Jean-Louis Charton	38.5718
119	Walter Nissen	38.4704
120	James G. Merickel	38.4559
121	Gary Chaffey	38.4469
122	Thomas Masser	38.4129
123	Décio Gazzoni Filho	38.3716
124	D.Broadhurst and W.Edgington	38.3693
125	Peter Lesala	38.2364
126	Pierre CAMI	38.1880
127	Harsh Aggarwal	38.0889
128	Phil Carmody	38.0649
129	Jiong Sun	38.0187
130	Tom Wu	37.9657
131	Bouk de Water	37.7897
132	Kamil Duszenko	37.7572
133	Harvey Dubner	37.7421
134	Paul Leyland	37.7267
135	Connor Deptuck	37.7091
136	Markus Hiltbrunner	37.5011
137	Joel Levy	37.4885
138	Meng-Hsuan Wu	37.2670
139	Greg Childers	37.2465
140	Raffi Chaglassian	37.1068
141	Marcin Lipinski	37.0378
142	Richard McIntosh	37.0213
143	Rob Binnekamp	36.9534
144	Paul Jobling	36.8410
145	Lewis,Jobling,Nash	36.6013
146	Ken Davis	36.4213
147	Rubén Blanco	36.3081
148	MohamedReda Kebbaj	36.2809
149	D.Broadhurst and N.Mandela	36.2365
150	D.Broadhurst and M.Kamada	36.2230
151	D. Broadhurst & B. de Water	36.2010
152	Steven Harvey	36.0407
153	Alexander Kuzmich	35.8876
154	Paul Schmidt	35.8030
155	Anton Vrba	35.6914
156	Dudley Fox	35.5339
157	William Garnett	35.2932
158	Peter Liaskovsky	35.1846
159	Ray Ballinger	35.1526
160	Dmitry Kamenetsky	34.9327
161	Matthew Peets	34.8243
162	Hugo Platzer	34.7951
163	V.M.Ulyanov	34.7788
164	Leonid Muraviov	34.7753
165	Giovanni Di Maria	34.5567
166	Cyclamen Persicum	34.5441
167	Ed Pegg	34.4014
168	Richard FitzHugh	34.1466
169	Michael Kwok	34.1355
170	Sean A. Irvine	34.0515
171	Ed T. Prothro	33.9358
172	Andy Klingeleers	33.8707
173	Nuutti Kuosa	33.7910
174	Michael Eaton	33.7691
175	Tetsuya Kobayashi	33.6073
176	J. Alm & D. Johnson	33.5636
177	Göran Hemdal	33.2857
178	Hugo Pfoertner	33.2269
179	Giovanni La Barbera	33.1670
180	Polly T. Wang	32.8241
181	Guido Smetrijns	32.7635

^* : See the "Prime Pages" by Chris K. Caldwell for explanations about the production score used.

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Created by Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: September, 30 2020 00:02 (Time in France)

PRP Top - Top discoverers

Top discoverers by number of PRPs

Top discoverers by production score*

Top discoverers by production score^*