PRP Top - Top discoverers

Top discoverers by number of PRPs

Rank	Discoverer	Score
1	Tony Prest / Never Odd Or Even	103825
2	Lelio R Paula	31241
3	Stefano Morozzi	21484
4	Patrick De Geest	21104
5	Enzo Doria	13794
6	Syoichiro Yamada	13745
7	Robert Price	11030
8	Ray Chandler	8631
9	David Broadhurst	7813
10	Paul Bourdelais	7543
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	2088
19	Bernardo Boncompagni	1489
20	Hans Havermann	1062
21	Henri Lifchitz	965
22	Andrey Kulsha	801
23	Wayne Halsdorf	674
24	Makoto Morimoto	627
25	Jason Earls	614
26	Joe McLean	594
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	220
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	83
47	Daniel Heuer	80
48	T. D. Noe	79
48	Eric Chen	79
50	Sinkiti Sibata	71
50	Paul Leyland	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	Mark Rodenkirch	44
60	Arkadiusz Wesolowski	44
62	Nicolas PALAU	43
63	Makoto Kamada	41
64	Patrick Schmeer	39
65	Thomas Masser	36
66	Pedja Terzic	30
66	Cletus Emmanuel	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	Gord Palameta	20
74	Danilo Nitsche	20
76	Rob Binnekamp	19
76	Joel Levy	19
78	Predrag Minovic	18
78	Ken Davis	18
80	Robert Kinser	17
80	Bouk de Water	17
82	Thomas Ritschel	13
82	Anonymous	13
84	Nik Lygeros / Olivier Rozier	11
85	Alexander Zhirkov	10
85	Raffi Chaglassian	10
85	Michael Stocker	10
85	Marcin Lipinski	10
89	Dario Alpern	9
89	Kamil Duszenko	9
89	Darren Bedwell	9
89	Alexander Kuzmich	9
89	D. Broadhurst & B. de Water	9
94	Nik Lygeros / Olivier Rozier / LR team	8
94	Walter Nissen	8
94	Leonid Muraviov	8
94	M. Frind & P. Underwood	8
94	Anton Vrba	8
99	H.&R. Lifchitz	7
99	Karsten Bonath	7
99	Jean Penné	7
99	James G. Merickel	7
103	Dirk Augustin	6
104	Tom Wu	5
104	Tyler NeSmith	5
104	Payam Samidoost	5
104	Borys Jaworski	5
104	Marisa Kirisame	5
104	Pierre CAMI	5
110	V.M.Ulyanov	4
110	Décio Gazzoni Filho	4
110	Marek Hubal	4
110	Anand Nair	4
110	Dylan Delgado	4
115	Phil Moore	3
115	Ryan Propper	3
115	Richard McIntosh	3
115	Giovanni Di Maria	3
115	Paul Jobling	3
115	Ben Maloney / Five or Bust	3
115	D. Gazzoni Filho & Lucas Teixeira	3
115	Harsh Aggarwal	3
115	Kellen Shenton	3
115	Meng-Hsuan Wu	3
115	Alexander Gramolin	3
115	Akihiko Yoshida	3
115	Jiong Sun	3
115	Matthias Baur	3
115	Jeppe Stig Nielsen	3
115	Hugo Platzer	3
131	Andy Steward	2
131	Markus Tervooren	2
131	Lewis,Jobling,Nash	2
131	Engracio Esmenda / Five or Bust	2
131	Dmitry Kamenetsky	2
131	Ed Pegg	2
131	Leonid Durman	2
131	Ray Ballinger	2
131	Ananda Tallur & Jean-Louis Charton	2
131	Peter Liaskovsky	2
131	Michael Kwok	2
131	Ryan Propper + Sergey Batalov	2
131	J. Alm & D. Johnson	2
131	Peter Lesala	2
131	Valeryi Kuryshev	2
131	Steven Harvey	2
131	Rubén Blanco	2
131	Andy Klingeleers	2
149	D.Broadhurst and M.Kamada	1
149	Connor Deptuck	1
149	Vincent Diepeveen	1
149	Tetsuya Kobayashi	1
149	Tony Reix / Diepeveen-Underwood -Reix	1
149	Alfred Reich	1
149	William Garnett	1
149	Cyclamen Persicum	1
149	Sean A. Irvine	1
149	Phil Carmody	1
149	Jorge Coveiro	1
149	Michael Eaton	1
149	MohamedReda Kebbaj	1
149	Nuutti Kuosa	1
149	Oliver Kruse	1
149	Matthias Wurtinger	1
149	Matthew Peets	1
149	Luke W. Richards	1
149	Lew Baxter	1
149	Adrian Bondrescu	1
149	Kurt Beschorner	1
149	paolo galliani	1
149	Hugo Pfoertner	1
149	Ed Trice	1
149	Polly T. Wang	1
149	Ed T. Prothro	1
149	Richard FitzHugh	1
149	Dudley Fox	1
149	Peter Kaiser	1
149	GIMPS-fre_games	1
149	Paul Bourdelais, Harvey Dubner	1
149	Göran Hemdal	1
149	Guido Smetrijns	1
149	Giovanni La Barbera	1
149	D.Broadhurst and N.Mandela	1

Top discoverers by production score^*

Rank	Discoverer	Score
1	Ryan Propper	51.5924
2	Ryan Propper + Sergey Batalov	50.7635
3	Paul Bourdelais	50.5938
4	Tony Prest / Never Odd Or Even	50.1889
5	GIMPS-fre_games	50.1446
6	Engracio Esmenda / Five or Bust	49.8812
7	Enzo Doria	49.8402
8	Gord Palameta	49.3233
9	Oliver Kruse	49.0532
10	Serge Batalov	48.6200
11	Robert Price	48.1129
12	Stefano Morozzi	47.9936
13	Ben Maloney / Five or Bust	47.7568
14	Lelio R Paula	47.4747
15	Patrick De Geest	47.2383
16	Tony Reix / Diepeveen-Underwood -Reix	47.2269
17	Curtis Bright	47.1095
18	Nik Lygeros / Olivier Rozier / LR team	47.1065
19	Anand Nair	47.0205
20	Henri Lifchitz	46.8362
21	Makoto Morimoto	46.7970
22	Peter Kaiser	46.6330
23	Nik Lygeros / Olivier Rozier	46.5672
24	Hans Havermann	46.4655
25	Jean-Louis Charton	46.4485
26	Alexander Zhirkov	46.0775
27	Yves Minet	45.8797
28	Borys Jaworski	45.7963
29	Mike Oakes	45.4811
30	Norbert Schneider	45.3101
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	Mark Rodenkirch	42.9159
51	Vincent Diepeveen	42.9031
52	Makoto Kamada	42.7591
53	Robert Smith	42.7237
54	Thomas Ritschel	42.5917
55	Robert Kinser	42.5587
56	Richard Fischer	42.5033
57	Jens K. Andersen	42.4271
58	Milton L. Brown	42.4230
59	Gilbert Mozzo	42.3829
60	Luke W. Richards	42.2565
61	Markus Tervooren	42.2013
62	Kevin Acres	42.1267
63	Alexander Gramolin	42.0680
64	Andy Steward	42.0678
65	Eric Chen	41.9975
66	Dmitry Domanov	41.9615
67	David Broadhurst	41.9510
68	Akihiko Yoshida	41.9008
69	Wayne Halsdorf	41.8768
70	Theodore Burton	41.8735
71	Kimmo Herranen	41.7829
72	Karsten Bonath	41.7119
73	Kellen Shenton	41.6553
74	Nicolas PALAU	41.6474
75	Matthias Baur	41.5055
76	Michael Vang	41.5045
77	Tyler NeSmith	41.4604
78	Joe McLean	41.4510
79	Jason Earls	41.4443
80	Cletus Emmanuel	41.3699
81	Matt Stath	41.3088
82	Paul Underwood	41.2942
83	Faysal YAtim	41.2683
84	Valeryi Kuryshev	41.2673
85	Gary Barnes	41.2070
86	Dylan Delgado	41.1947
87	Andrey Kulsha	41.1560
88	Payam Samidoost	41.1236
89	Jean Penné	41.0866
90	M. Frind & P. Underwood	41.0735
91	Anonymous	41.0230
92	T. D. Noe	41.0112
93	Paul Vanderveen	40.7289
94	Bernardo Boncompagni	40.6902
95	Darren Bedwell	40.5716
96	H.&R. Lifchitz	40.5526
97	Marek Hubal	40.5299
98	Michael Porter	40.4610
99	Jiahao He	40.2751
100	Arkadiusz Wesolowski	40.0345
101	Marisa Kirisame	40.0015
102	Jim Fougeron	39.9920
103	Daniel Heuer	39.8964
104	Paul Bourdelais, Harvey Dubner	39.8282
105	Sander Hoogendoorn	39.8108
106	Jeppe Stig Nielsen	39.6131
107	D. Gazzoni Filho & Lucas Teixeira	39.6113
108	Predrag Minovic	39.5972
109	Wojciech Florek	39.5962
110	Ryan C Weaving	39.5308
111	Sinkiti Sibata	39.4834
112	Kurt Beschorner	39.3559
113	Dirk Augustin	39.2949
114	Alfred Reich	39.1359
115	Kenneth Egtved Pedersen	39.1165
116	Lew Baxter	39.1057
117	Pedja Terzic	38.9591
118	Harald Ritter	38.8053
119	Patrick Schmeer	38.6236
120	Ananda Tallur & Jean-Louis Charton	38.5718
121	Walter Nissen	38.4704
122	James G. Merickel	38.4559
123	Gary Chaffey	38.4469
124	Thomas Masser	38.4129
125	Décio Gazzoni Filho	38.3716
126	D.Broadhurst and W.Edgington	38.3693
127	Peter Lesala	38.2364
128	Pierre CAMI	38.1880
129	Harsh Aggarwal	38.0889
130	Phil Carmody	38.0649
131	Jiong Sun	38.0187
132	Tom Wu	37.9657
133	Bouk de Water	37.7897
134	Kamil Duszenko	37.7572
135	Harvey Dubner	37.7421
136	Paul Leyland	37.7267
137	Connor Deptuck	37.7091
138	Markus Hiltbrunner	37.5011
139	Joel Levy	37.4885
140	Meng-Hsuan Wu	37.2670
141	Greg Childers	37.2465
142	Raffi Chaglassian	37.1068
143	Marcin Lipinski	37.0378
144	Richard McIntosh	37.0213
145	Rob Binnekamp	36.9534
146	Paul Jobling	36.8410
147	Lewis,Jobling,Nash	36.6013
148	Ken Davis	36.4213
149	Rubén Blanco	36.3081
150	MohamedReda Kebbaj	36.2809
151	D.Broadhurst and N.Mandela	36.2365
152	D.Broadhurst and M.Kamada	36.2230
153	D. Broadhurst & B. de Water	36.2010
154	Steven Harvey	36.0407
155	Alexander Kuzmich	35.8876
156	Paul Schmidt	35.8030
157	Anton Vrba	35.6914
158	Dudley Fox	35.5339
159	William Garnett	35.2932
160	Peter Liaskovsky	35.1846
161	Ray Ballinger	35.1526
162	Dmitry Kamenetsky	34.9327
163	Matthew Peets	34.8243
164	Hugo Platzer	34.7951
165	V.M.Ulyanov	34.7788
166	Leonid Muraviov	34.7753
167	Giovanni Di Maria	34.5567
168	Cyclamen Persicum	34.5441
169	Ed Pegg	34.4014
170	Richard FitzHugh	34.1466
171	Michael Kwok	34.1355
172	Sean A. Irvine	34.0515
173	Ed T. Prothro	33.9358
174	Andy Klingeleers	33.8707
175	Nuutti Kuosa	33.7910
176	Michael Eaton	33.7691
177	Tetsuya Kobayashi	33.6073
178	J. Alm & D. Johnson	33.5636
179	Göran Hemdal	33.2857
180	Hugo Pfoertner	33.2269
181	Giovanni La Barbera	33.1670
182	Polly T. Wang	32.8241
183	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: January, 25 2021 11:23 (Time in France)

PRP Top - Top discoverers

Top discoverers by number of PRPs

Top discoverers by production score*

Top discoverers by production score^*