PRP Top - Top discoverers

Top discoverers by number of PRPs

Rank	Discoverer	Score
1	Tony Prest / Never Odd Or Even	103828
2	Stefano Morozzi	31452
3	Lelio R Paula	31241
4	Patrick De Geest	21180
5	Enzo Doria	13796
6	Syoichiro Yamada	13745
7	Robert Price	11506
8	Ray Chandler	8631
9	David Broadhurst	7813
10	Paul Bourdelais	7594
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	2220
18	Norbert Schneider	2180
19	Hans Havermann	1562
20	Bernardo Boncompagni	1489
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	Jorge Menendez	278
35	Maksym Voznyy	271
36	Richard Fischer	225
37	Gary Barnes	170
38	Gary Chaffey	162
39	Ryan C Weaving	158
40	Markus Hiltbrunner	123
41	Kevin Acres	109
42	Michael Porter	94
42	Harald Ritter	94
44	Jean-Louis Charton	93
45	Jiahao He	91
46	Matt Stath	88
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	Arkadiusz Wesolowski	44
60	Mark Rodenkirch	44
62	Nicolas PALAU	43
62	Makoto Kamada	43
64	Patrick Schmeer	39
65	Thomas Masser	36
66	Pedja Terzic	30
66	Cletus Emmanuel	30
66	Alfred Reich	30
69	Faysal YAtim	27
69	Harvey Dubner	27
71	Greg Childers	24
72	Paul Schmidt	23
73	Wojciech Florek	22
74	Paul Vanderveen	21
75	Gord Palameta	20
75	Danilo Nitsche	20
77	Joel Levy	19
77	Rob Binnekamp	19
79	Predrag Minovic	18
79	Ken Davis	18
81	Bouk de Water	17
81	Robert Kinser	17
83	Thomas Ritschel	13
83	Anonymous	13
85	Nik Lygeros / Olivier Rozier	11
86	Michael Stocker	10
86	Raffi Chaglassian	10
86	Marcin Lipinski	10
86	Alexander Zhirkov	10
90	Darren Bedwell	9
90	D. Broadhurst & B. de Water	9
90	Alexander Kuzmich	9
90	Kamil Duszenko	9
90	Dario Alpern	9
95	M. Frind & P. Underwood	8
95	Tyler NeSmith	8
95	Walter Nissen	8
95	Anton Vrba	8
95	Nik Lygeros / Olivier Rozier / LR team	8
95	Kellen Shenton	8
95	Leonid Muraviov	8
102	Jean Penné	7
102	H.&R. Lifchitz	7
102	Karsten Bonath	7
102	James G. Merickel	7
106	Ryan Propper + Sergey Batalov	6
106	Dirk Augustin	6
108	Payam Samidoost	5
108	Tom Wu	5
108	Pierre CAMI	5
108	Borys Jaworski	5
108	Marisa Kirisame	5
113	Décio Gazzoni Filho	4
113	V.M.Ulyanov	4
113	Dylan Delgado	4
113	Anand Nair	4
113	Ryan Propper	4
113	Marek Hubal	4
119	Phil Moore	3
119	Paul Jobling	3
119	Hugo Platzer	3
119	Giovanni Di Maria	3
119	Harsh Aggarwal	3
119	D. Gazzoni Filho & Lucas Teixeira	3
119	Ben Maloney / Five or Bust	3
119	Akihiko Yoshida	3
119	Alexander Gramolin	3
119	Meng-Hsuan Wu	3
119	Jeppe Stig Nielsen	3
119	Richard McIntosh	3
119	Matthias Baur	3
119	Jiong Sun	3
133	Ray Ballinger	2
133	Valeryi Kuryshev	2
133	Rubén Blanco	2
133	Peter Liaskovsky	2
133	Steven Harvey	2
133	Peter Lesala	2
133	Leonid Durman	2
133	J. Alm & D. Johnson	2
133	Ed Pegg	2
133	Markus Tervooren	2
133	Dmitry Kamenetsky	2
133	Lewis,Jobling,Nash	2
133	Engracio Esmenda / Five or Bust	2
133	Michael Kwok	2
133	Ananda Tallur & Jean-Louis Charton	2
133	Andy Klingeleers	2
133	Andy Steward	2
150	Giovanni La Barbera	1
150	Ed T. Prothro	1
150	Ed Trice	1
150	Tetsuya Kobayashi	1
150	GIMPS-fre_games	1
150	Tapashree & Jainam	1
150	Gabor Levai	1
150	Tony Reix / Diepeveen-Underwood -Reix	1
150	Connor Deptuck	1
150	William Garnett	1
150	Yusuf AttarBashi	1
150	Vincent Diepeveen	1
150	Cyclamen Persicum	1
150	Guido Smetrijns	1
150	D.Broadhurst and N.Mandela	1
150	D.Broadhurst and M.Kamada	1
150	Dudley Fox	1
150	Sean A. Irvine	1
150	Polly T. Wang	1
150	Michael Eaton	1
150	Matthias Wurtinger	1
150	Matthew Peets	1
150	MohamedReda Kebbaj	1
150	Nuutti Kuosa	1
150	Peter Kaiser	1
150	paolo galliani	1
150	Oliver Kruse	1
150	Phil Carmody	1
150	Luke W. Richards	1
150	Richard FitzHugh	1
150	Hugo Pfoertner	1
150	Harrison Mesh	1
150	Paul Bourdelais, Harvey Dubner	1
150	Göran Hemdal	1
150	Jeff Gilchrist /Diepeveen-Reix-Underwood-Gilchrist	1
150	Jorge Coveiro	1
150	Lew Baxter	1
150	Adrian Bondrescu	1
150	Leonardo Ottaviano	1
150	Kurt Beschorner	1
150	Sergey Batalov	1

Top discoverers by production score^*

Rank	Discoverer	Score
1	Ryan Propper + Sergey Batalov	53.4436
2	Ryan Propper	52.1419
3	Paul Bourdelais	51.0002
4	Jeff Gilchrist /Diepeveen-Reix-Underwood-Gilchrist	50.9036
5	Tony Prest / Never Odd Or Even	50.2730
6	GIMPS-fre_games	50.1446
7	Enzo Doria	49.9290
8	Engracio Esmenda / Five or Bust	49.8812
9	Gord Palameta	49.3233
10	Oliver Kruse	49.0532
11	Serge Batalov	48.6200
12	Stefano Morozzi	48.5233
13	Robert Price	48.2771
14	Ben Maloney / Five or Bust	47.7568
15	Hans Havermann	47.5519
16	Lelio R Paula	47.4747
17	Patrick De Geest	47.3121
18	Tony Reix / Diepeveen-Underwood -Reix	47.2269
19	Curtis Bright	47.1095
20	Nik Lygeros / Olivier Rozier / LR team	47.1065
21	Anand Nair	47.0205
22	Henri Lifchitz	46.8362
23	Makoto Morimoto	46.7970
24	Peter Kaiser	46.6330
24	Sergey Batalov	46.6330
26	Nik Lygeros / Olivier Rozier	46.5672
27	Jean-Louis Charton	46.4485
28	Alexander Zhirkov	46.0775
29	Yves Minet	45.9529
30	Borys Jaworski	45.7963
31	Alfred Reich	45.4940
32	Mike Oakes	45.4811
33	Norbert Schneider	45.4445
34	Michael Stocker	45.1413
35	Adrian Bondrescu	45.1328
36	Dario Alpern	44.9364
37	Jorge Coveiro	44.8701
38	Leonid Durman	44.5445
39	Erik Branger	44.5434
40	Gabor Levai	44.5094
41	Maksym Voznyy	44.0643
42	Kellen Shenton	44.0380
43	Phil Moore	43.9356
44	Renaud Lifchitz	43.9182
45	Ray Chandler	43.7713
46	Yusuf AttarBashi	43.7152
47	Anatoly F. Selevich	43.6366
48	Jorge Menendez	43.4559
49	Danilo Nitsche	43.4553
50	Matthias Wurtinger	43.4236
51	Syoichiro Yamada	43.3093
52	paolo galliani	43.1908
53	Donovan Johnson	43.1363
54	Eric W. Weisstein	42.9487
55	Ed Trice	42.9402
56	Mark Rodenkirch	42.9159
57	Vincent Diepeveen	42.9031
58	Makoto Kamada	42.8043
59	Robert Smith	42.7237
60	Richard Fischer	42.5945
61	Thomas Ritschel	42.5917
62	Robert Kinser	42.5587
63	Jens K. Andersen	42.4271
64	Milton L. Brown	42.4230
65	Gilbert Mozzo	42.3829
66	Luke W. Richards	42.2565
67	Markus Tervooren	42.2013
68	Kevin Acres	42.1267
69	Alexander Gramolin	42.0680
70	Andy Steward	42.0678
71	Eric Chen	41.9975
72	Tyler NeSmith	41.9718
73	Dmitry Domanov	41.9615
74	David Broadhurst	41.9510
75	Akihiko Yoshida	41.9008
76	Wayne Halsdorf	41.8768
77	Theodore Burton	41.8735
78	Kimmo Herranen	41.7829
79	Karsten Bonath	41.7119
80	Nicolas PALAU	41.6474
81	Matthias Baur	41.5055
82	Michael Vang	41.5045
83	Matt Stath	41.4766
84	Joe McLean	41.4510
85	Jason Earls	41.4443
86	Cletus Emmanuel	41.3699
87	Paul Underwood	41.2942
88	Faysal YAtim	41.2683
89	Valeryi Kuryshev	41.2673
90	Gary Barnes	41.2070
91	Dylan Delgado	41.1947
92	Andrey Kulsha	41.1560
93	Payam Samidoost	41.1236
94	Jean Penné	41.0866
95	M. Frind & P. Underwood	41.0735
96	Anonymous	41.0230
97	T. D. Noe	41.0112
98	Paul Vanderveen	40.7289
99	Bernardo Boncompagni	40.6902
100	Darren Bedwell	40.5716
101	H.&R. Lifchitz	40.5526
102	Marek Hubal	40.5299
103	Michael Porter	40.4610
104	Jiahao He	40.2751
105	Arkadiusz Wesolowski	40.0345
106	Marisa Kirisame	40.0015
107	Jim Fougeron	39.9920
108	Daniel Heuer	39.8964
109	Paul Bourdelais, Harvey Dubner	39.8282
110	Sander Hoogendoorn	39.8108
111	Jeppe Stig Nielsen	39.6131
112	D. Gazzoni Filho & Lucas Teixeira	39.6113
113	Predrag Minovic	39.5972
114	Wojciech Florek	39.5962
115	Ryan C Weaving	39.5308
116	Sinkiti Sibata	39.4834
117	Kurt Beschorner	39.3559
118	Dirk Augustin	39.2949
119	Kenneth Egtved Pedersen	39.1165
120	Lew Baxter	39.1057
121	Pedja Terzic	38.9591
122	Tapashree & Jainam	38.8360
123	Harald Ritter	38.8053
124	Patrick Schmeer	38.6236
125	Ananda Tallur & Jean-Louis Charton	38.5718
126	Walter Nissen	38.4704
127	James G. Merickel	38.4559
128	Gary Chaffey	38.4469
129	Thomas Masser	38.4129
130	Décio Gazzoni Filho	38.3716
131	D.Broadhurst and W.Edgington	38.3693
132	Peter Lesala	38.2364
133	Pierre CAMI	38.1880
134	Harsh Aggarwal	38.0889
135	Phil Carmody	38.0649
136	Jiong Sun	38.0187
137	Tom Wu	37.9657
138	Harrison Mesh	37.9185
139	Bouk de Water	37.7897
140	Kamil Duszenko	37.7572
141	Harvey Dubner	37.7421
142	Paul Leyland	37.7267
143	Connor Deptuck	37.7091
144	Markus Hiltbrunner	37.5011
145	Joel Levy	37.4885
146	Leonardo Ottaviano	37.4341
147	Meng-Hsuan Wu	37.2670
148	Greg Childers	37.2465
149	Raffi Chaglassian	37.1068
150	Marcin Lipinski	37.0378
151	Richard McIntosh	37.0213
152	Rob Binnekamp	36.9534
153	Paul Jobling	36.8410
154	Lewis,Jobling,Nash	36.6013
155	Ken Davis	36.4213
156	Rubén Blanco	36.3081
157	MohamedReda Kebbaj	36.2809
158	D.Broadhurst and N.Mandela	36.2365
159	D.Broadhurst and M.Kamada	36.2230
160	D. Broadhurst & B. de Water	36.2010
161	Steven Harvey	36.0407
162	Alexander Kuzmich	35.8876
163	Paul Schmidt	35.8030
164	Anton Vrba	35.6914
165	Dudley Fox	35.5339
166	William Garnett	35.2932
167	Peter Liaskovsky	35.1846
168	Ray Ballinger	35.1526
169	Dmitry Kamenetsky	34.9327
170	Matthew Peets	34.8243
171	Hugo Platzer	34.7951
172	V.M.Ulyanov	34.7788
173	Leonid Muraviov	34.7753
174	Giovanni Di Maria	34.5567
175	Cyclamen Persicum	34.5441
176	Ed Pegg	34.4014
177	Richard FitzHugh	34.1466
178	Michael Kwok	34.1355
179	Sean A. Irvine	34.0515
180	Ed T. Prothro	33.9358
181	Andy Klingeleers	33.8707
182	Nuutti Kuosa	33.7910
183	Michael Eaton	33.7691
184	Tetsuya Kobayashi	33.6073
185	J. Alm & D. Johnson	33.5636
186	Göran Hemdal	33.2857
187	Hugo Pfoertner	33.2269
188	Giovanni La Barbera	33.1670
189	Polly T. Wang	32.8241
190	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: October, 23 2021 10:56 (Time in France)

PRP Top - Top discoverers

Top discoverers by number of PRPs

Top discoverers by production score*

Top discoverers by production score^*