PRP Top - Top discoverers

Top discoverers by number of PRPs

Rank	Discoverer	Score
1	Tony Prest / Never Odd Or Even	103826
2	Lelio R Paula	31241
3	Stefano Morozzi	24785
4	Patrick De Geest	21132
5	Enzo Doria	13795
6	Syoichiro Yamada	13745
7	Robert Price	11163
8	Ray Chandler	8631
9	David Broadhurst	7813
10	Paul Bourdelais	7568
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	2122
19	Bernardo Boncompagni	1489
20	Hans Havermann	1367
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	276
35	Maksym Voznyy	271
36	Richard Fischer	223
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	87
47	Daniel Heuer	80
48	Eric Chen	79
48	T. D. Noe	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
63	Makoto Kamada	41
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	Anonymous	13
82	Thomas Ritschel	13
84	Nik Lygeros / Olivier Rozier	11
85	Raffi Chaglassian	10
85	Marcin Lipinski	10
85	Alexander Zhirkov	10
85	Michael Stocker	10
89	Darren Bedwell	9
89	Alexander Kuzmich	9
89	D. Broadhurst & B. de Water	9
89	Kamil Duszenko	9
89	Dario Alpern	9
94	Nik Lygeros / Olivier Rozier / LR team	8
94	Anton Vrba	8
94	M. Frind & P. Underwood	8
94	Walter Nissen	8
94	Leonid Muraviov	8
99	Jean Penné	7
99	Karsten Bonath	7
99	H.&R. Lifchitz	7
99	James G. Merickel	7
103	Dirk Augustin	6
104	Borys Jaworski	5
104	Tom Wu	5
104	Pierre CAMI	5
104	Payam Samidoost	5
104	Kellen Shenton	5
104	Tyler NeSmith	5
104	Marisa Kirisame	5
111	Anand Nair	4
111	V.M.Ulyanov	4
111	Décio Gazzoni Filho	4
111	Marek Hubal	4
111	Dylan Delgado	4
116	Ryan Propper	3
116	Phil Moore	3
116	Akihiko Yoshida	3
116	Alexander Gramolin	3
116	Hugo Platzer	3
116	Giovanni Di Maria	3
116	Paul Jobling	3
116	Harsh Aggarwal	3
116	Ben Maloney / Five or Bust	3
116	Matthias Baur	3
116	Jiong Sun	3
116	D. Gazzoni Filho & Lucas Teixeira	3
116	Richard McIntosh	3
116	Meng-Hsuan Wu	3
116	Jeppe Stig Nielsen	3
131	Lewis,Jobling,Nash	2
131	Markus Tervooren	2
131	Ed Pegg	2
131	Ryan Propper + Sergey Batalov	2
131	Valeryi Kuryshev	2
131	Engracio Esmenda / Five or Bust	2
131	Steven Harvey	2
131	Leonid Durman	2
131	Ray Ballinger	2
131	Peter Liaskovsky	2
131	Peter Lesala	2
131	Andy Steward	2
131	Andy Klingeleers	2
131	Rubén Blanco	2
131	Ananda Tallur & Jean-Louis Charton	2
131	Dmitry Kamenetsky	2
131	Michael Kwok	2
131	J. Alm & D. Johnson	2
149	Tetsuya Kobayashi	1
149	Tony Reix / Diepeveen-Underwood -Reix	1
149	William Garnett	1
149	Vincent Diepeveen	1
149	Sean A. Irvine	1
149	Leonardo Ottaviano	1
149	Guido Smetrijns	1
149	Giovanni La Barbera	1
149	GIMPS-fre_games	1
149	Göran Hemdal	1
149	Harrison Mesh	1
149	Jeff Gilchrist /Diepeveen-Reix-Underwood-Gilchrist	1
149	Hugo Pfoertner	1
149	Ed Trice	1
149	Ed T. Prothro	1
149	Connor Deptuck	1
149	Alfred Reich	1
149	Cyclamen Persicum	1
149	D.Broadhurst and M.Kamada	1
149	Dudley Fox	1
149	D.Broadhurst and N.Mandela	1
149	Jorge Coveiro	1
149	Kurt Beschorner	1
149	paolo galliani	1
149	Oliver Kruse	1
149	Paul Bourdelais, Harvey Dubner	1
149	Peter Kaiser	1
149	Polly T. Wang	1
149	Phil Carmody	1
149	Nuutti Kuosa	1
149	MohamedReda Kebbaj	1
149	Lew Baxter	1
149	Adrian Bondrescu	1
149	Luke W. Richards	1
149	Matthew Peets	1
149	Michael Eaton	1
149	Matthias Wurtinger	1
149	Richard FitzHugh	1

Top discoverers by production score^*

Rank	Discoverer	Score
1	Ryan Propper	51.5924
2	Jeff Gilchrist /Diepeveen-Reix-Underwood-Gilchrist	50.9036
3	Ryan Propper + Sergey Batalov	50.7635
4	Paul Bourdelais	50.6182
5	Tony Prest / Never Odd Or Even	50.2177
6	GIMPS-fre_games	50.1446
7	Enzo Doria	49.8946
8	Engracio Esmenda / Five or Bust	49.8812
9	Gord Palameta	49.3233
10	Oliver Kruse	49.0532
11	Serge Batalov	48.6200
12	Robert Price	48.1618
13	Stefano Morozzi	48.1158
14	Ben Maloney / Five or Bust	47.7568
15	Lelio R Paula	47.4747
16	Patrick De Geest	47.2635
17	Tony Reix / Diepeveen-Underwood -Reix	47.2269
18	Curtis Bright	47.1095
19	Nik Lygeros / Olivier Rozier / LR team	47.1065
20	Anand Nair	47.0205
21	Hans Havermann	46.9149
22	Henri Lifchitz	46.8362
23	Makoto Morimoto	46.7970
24	Peter Kaiser	46.6330
25	Nik Lygeros / Olivier Rozier	46.5672
26	Jean-Louis Charton	46.4485
27	Alexander Zhirkov	46.0775
28	Yves Minet	45.9529
29	Borys Jaworski	45.7963
30	Mike Oakes	45.4811
31	Norbert Schneider	45.3635
32	Michael Stocker	45.1413
33	Adrian Bondrescu	45.1328
34	Dario Alpern	44.9364
35	Jorge Coveiro	44.8701
36	Leonid Durman	44.5445
37	Erik Branger	44.5434
38	Maksym Voznyy	44.0643
39	Kellen Shenton	43.9819
40	Phil Moore	43.9356
41	Renaud Lifchitz	43.9182
42	Ray Chandler	43.7713
43	Anatoly F. Selevich	43.6366
44	Danilo Nitsche	43.4553
45	Jorge Menendez	43.4451
46	Matthias Wurtinger	43.4236
47	Syoichiro Yamada	43.3093
48	paolo galliani	43.1908
49	Donovan Johnson	43.1363
50	Eric W. Weisstein	42.9487
51	Ed Trice	42.9402
52	Mark Rodenkirch	42.9159
53	Vincent Diepeveen	42.9031
54	Makoto Kamada	42.7591
55	Robert Smith	42.7237
56	Thomas Ritschel	42.5917
57	Richard Fischer	42.5720
58	Robert Kinser	42.5587
59	Jens K. Andersen	42.4271
60	Milton L. Brown	42.4230
61	Gilbert Mozzo	42.3829
62	Luke W. Richards	42.2565
63	Markus Tervooren	42.2013
64	Kevin Acres	42.1267
65	Alexander Gramolin	42.0680
66	Andy Steward	42.0678
67	Eric Chen	41.9975
68	Dmitry Domanov	41.9615
69	David Broadhurst	41.9510
70	Akihiko Yoshida	41.9008
71	Wayne Halsdorf	41.8768
72	Theodore Burton	41.8735
73	Kimmo Herranen	41.7829
74	Karsten Bonath	41.7119
75	Nicolas PALAU	41.6474
76	Matthias Baur	41.5055
77	Michael Vang	41.5045
78	Tyler NeSmith	41.4604
79	Matt Stath	41.4524
80	Joe McLean	41.4510
81	Jason Earls	41.4443
82	Cletus Emmanuel	41.3699
83	Paul Underwood	41.2942
84	Faysal YAtim	41.2683
85	Valeryi Kuryshev	41.2673
86	Gary Barnes	41.2070
87	Dylan Delgado	41.1947
88	Andrey Kulsha	41.1560
89	Payam Samidoost	41.1236
90	Jean Penné	41.0866
91	M. Frind & P. Underwood	41.0735
92	Anonymous	41.0230
93	T. D. Noe	41.0112
94	Paul Vanderveen	40.7289
95	Bernardo Boncompagni	40.6902
96	Darren Bedwell	40.5716
97	H.&R. Lifchitz	40.5526
98	Marek Hubal	40.5299
99	Michael Porter	40.4610
100	Jiahao He	40.2751
101	Arkadiusz Wesolowski	40.0345
102	Marisa Kirisame	40.0015
103	Jim Fougeron	39.9920
104	Daniel Heuer	39.8964
105	Paul Bourdelais, Harvey Dubner	39.8282
106	Sander Hoogendoorn	39.8108
107	Jeppe Stig Nielsen	39.6131
108	D. Gazzoni Filho & Lucas Teixeira	39.6113
109	Predrag Minovic	39.5972
110	Wojciech Florek	39.5962
111	Ryan C Weaving	39.5308
112	Sinkiti Sibata	39.4834
113	Kurt Beschorner	39.3559
114	Dirk Augustin	39.2949
115	Alfred Reich	39.1359
116	Kenneth Egtved Pedersen	39.1165
117	Lew Baxter	39.1057
118	Pedja Terzic	38.9591
119	Harald Ritter	38.8053
120	Patrick Schmeer	38.6236
121	Ananda Tallur & Jean-Louis Charton	38.5718
122	Walter Nissen	38.4704
123	James G. Merickel	38.4559
124	Gary Chaffey	38.4469
125	Thomas Masser	38.4129
126	Décio Gazzoni Filho	38.3716
127	D.Broadhurst and W.Edgington	38.3693
128	Peter Lesala	38.2364
129	Pierre CAMI	38.1880
130	Harsh Aggarwal	38.0889
131	Phil Carmody	38.0649
132	Jiong Sun	38.0187
133	Tom Wu	37.9657
134	Harrison Mesh	37.9185
135	Bouk de Water	37.7897
136	Kamil Duszenko	37.7572
137	Harvey Dubner	37.7421
138	Paul Leyland	37.7267
139	Connor Deptuck	37.7091
140	Markus Hiltbrunner	37.5011
141	Joel Levy	37.4885
142	Leonardo Ottaviano	37.4341
143	Meng-Hsuan Wu	37.2670
144	Greg Childers	37.2465
145	Raffi Chaglassian	37.1068
146	Marcin Lipinski	37.0378
147	Richard McIntosh	37.0213
148	Rob Binnekamp	36.9534
149	Paul Jobling	36.8410
150	Lewis,Jobling,Nash	36.6013
151	Ken Davis	36.4213
152	Rubén Blanco	36.3081
153	MohamedReda Kebbaj	36.2809
154	D.Broadhurst and N.Mandela	36.2365
155	D.Broadhurst and M.Kamada	36.2230
156	D. Broadhurst & B. de Water	36.2010
157	Steven Harvey	36.0407
158	Alexander Kuzmich	35.8876
159	Paul Schmidt	35.8030
160	Anton Vrba	35.6914
161	Dudley Fox	35.5339
162	William Garnett	35.2932
163	Peter Liaskovsky	35.1846
164	Ray Ballinger	35.1526
165	Dmitry Kamenetsky	34.9327
166	Matthew Peets	34.8243
167	Hugo Platzer	34.7951
168	V.M.Ulyanov	34.7788
169	Leonid Muraviov	34.7753
170	Giovanni Di Maria	34.5567
171	Cyclamen Persicum	34.5441
172	Ed Pegg	34.4014
173	Richard FitzHugh	34.1466
174	Michael Kwok	34.1355
175	Sean A. Irvine	34.0515
176	Ed T. Prothro	33.9358
177	Andy Klingeleers	33.8707
178	Nuutti Kuosa	33.7910
179	Michael Eaton	33.7691
180	Tetsuya Kobayashi	33.6073
181	J. Alm & D. Johnson	33.5636
182	Göran Hemdal	33.2857
183	Hugo Pfoertner	33.2269
184	Giovanni La Barbera	33.1670
185	Polly T. Wang	32.8241
186	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: April, 13 2021 12:02 (Time in France)

PRP Top - Top discoverers

Top discoverers by number of PRPs

Top discoverers by production score*

Top discoverers by production score^*