PRP Top - Top discoverers

Top discoverers by number of PRPs

Rank	Discoverer	Score
1	Tony Prest / Never Odd Or Even	103831
2	Stefano Morozzi	32579
3	Lelio R Paula	31241
4	Patrick De Geest	21180
5	Enzo Doria	13797
6	Syoichiro Yamada	13745
7	Robert Price	12115
8	Ray Chandler	8631
9	Paul Bourdelais	8124
10	David Broadhurst	7813
11	Gilbert Mozzo	4720
12	Milton L. Brown	3224
13	Donovan Johnson	3116
14	Serge Batalov	2879
15	Kimmo Herranen	2745
16	Mike Oakes	2437
17	Norbert Schneider	2260
18	Yves Minet	2220
19	Hans Havermann	1597
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	280
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	Harald Ritter	94
42	Michael Porter	94
44	Jean-Louis Charton	93
45	Jiahao He	91
45	Matt Stath	91
47	Eric Chen	80
47	Daniel Heuer	80
49	T. D. Noe	79
50	Sinkiti Sibata	71
50	Paul Leyland	71
52	Dmitry Domanov	68
53	Curtis Bright	61
54	Eric W. Weisstein	58
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
60	Makoto Kamada	44
63	Nicolas PALAU	43
64	Patrick Schmeer	39
65	Alfred Reich	37
66	Thomas Masser	36
67	Cletus Emmanuel	30
67	Pedja Terzic	30
69	Harvey Dubner	27
69	Faysal YAtim	27
71	Paul Vanderveen	24
71	Greg Childers	24
73	Paul Schmidt	23
74	Wojciech Florek	22
75	Danilo Nitsche	20
75	Anonymous	20
75	Gord Palameta	20
78	Joel Levy	19
78	Rob Binnekamp	19
80	Ken Davis	18
80	Predrag Minovic	18
82	Robert Kinser	17
82	Kellen Shenton	17
82	Bouk de Water	17
85	Harrison Mesh	15
86	Sujan Das	14
87	Thomas Ritschel	13
88	Nik Lygeros / Olivier Rozier	11
89	Alexander Zhirkov	10
89	Ryan Propper	10
89	Raffi Chaglassian	10
89	Marcin Lipinski	10
89	Michael Stocker	10
94	Dario Alpern	9
94	D. Broadhurst & B. de Water	9
94	Darren Bedwell	9
94	Kamil Duszenko	9
94	Alexander Kuzmich	9
99	Nik Lygeros / Olivier Rozier / LR team	8
99	Tyler NeSmith	8
99	Walter Nissen	8
99	Leonid Muraviov	8
99	M. Frind & P. Underwood	8
99	Anton Vrba	8
105	Gabor Levai	7
105	Karsten Bonath	7
105	James G. Merickel	7
105	Jean Penné	7
105	H.&R. Lifchitz	7
110	Ryan Propper + Sergey Batalov	6
110	Dirk Augustin	6
112	Tom Wu	5
112	Borys Jaworski	5
112	Payam Samidoost	5
112	Pierre CAMI	5
112	Marisa Kirisame	5
117	Décio Gazzoni Filho	4
117	Marek Hubal	4
117	Dylan Delgado	4
117	V.M.Ulyanov	4
117	Anand Nair	4
122	Giovanni Di Maria	3
122	Phil Moore	3
122	Hugo Platzer	3
122	Paul Jobling	3
122	Harsh Aggarwal	3
122	Matthias Baur	3
122	Richard McIntosh	3
122	D. Gazzoni Filho & Lucas Teixeira	3
122	Ben Maloney / Five or Bust	3
122	Alexander Gramolin	3
122	Jeppe Stig Nielsen	3
122	Jiong Sun	3
122	Akihiko Yoshida	3
122	Meng-Hsuan Wu	3
136	Ed Pegg	2
136	Ray Ballinger	2
136	Michael Kwok	2
136	Ananda Tallur & Jean-Louis Charton	2
136	Markus Tervooren	2
136	Valeryi Kuryshev	2
136	Andy Steward	2
136	Steven Harvey	2
136	Lewis,Jobling,Nash	2
136	Andy Klingeleers	2
136	Dmitry Kamenetsky	2
136	Rubén Blanco	2
136	Engracio Esmenda / Five or Bust	2
136	Peter Lesala	2
136	Peter Liaskovsky	2
136	J. Alm & D. Johnson	2
136	Leonid Durman	2
153	Nuutti Kuosa	1
153	Jeff Gilchrist /Diepeveen-Reix-Underwood-Gilchrist	1
153	Oliver Kruse	1
153	Luke W. Richards	1
153	Tetsuya Kobayashi	1
153	Connor Deptuck	1
153	Tapashree & Jainam	1
153	Tony Reix / Diepeveen-Underwood -Reix	1
153	paolo galliani	1
153	Jorge Coveiro	1
153	William Garnett	1
153	Leonardo Ottaviano	1
153	Yusuf AttarBashi	1
153	Kurt Beschorner	1
153	Michael Eaton	1
153	Cyclamen Persicum	1
153	Miklos Levai	1
153	Vincent Diepeveen	1
153	MohamedReda Kebbaj	1
153	D.Broadhurst and M.Kamada	1
153	Ed Trice	1
153	Ed T. Prothro	1
153	Peter Kaiser	1
153	Guido Smetrijns	1
153	Richard FitzHugh	1
153	Phil Carmody	1
153	Polly T. Wang	1
153	Adrian Bondrescu	1
153	GIMPS-fre_games	1
153	Matthew Peets	1
153	Dudley Fox	1
153	Sergey Batalov	1
153	D.Broadhurst and N.Mandela	1
153	Giovanni La Barbera	1
153	Paul Bourdelais, Harvey Dubner	1
153	Sean A. Irvine	1
153	Göran Hemdal	1
153	Lew Baxter	1
153	Hugo Pfoertner	1
153	Matthias Wurtinger	1

Top discoverers by production score^*

Rank	Discoverer	Score
1	Ryan Propper + Sergey Batalov	53.4436
2	Ryan Propper	52.1828
3	Paul Bourdelais	51.1292
4	Jeff Gilchrist /Diepeveen-Reix-Underwood-Gilchrist	50.9036
5	Tony Prest / Never Odd Or Even	50.3504
6	GIMPS-fre_games	50.1446
7	Enzo Doria	49.9784
8	Engracio Esmenda / Five or Bust	49.8812
9	Anonymous	49.3400
10	Gord Palameta	49.3233
11	Oliver Kruse	49.0532
12	Stefano Morozzi	48.9601
13	Serge Batalov	48.6403
14	Robert Price	48.4455
15	Hans Havermann	47.8671
16	Ben Maloney / Five or Bust	47.7568
17	Alfred Reich	47.5706
18	Lelio R Paula	47.4747
19	Patrick De Geest	47.3121
20	Tony Reix / Diepeveen-Underwood -Reix	47.2269
21	Gabor Levai	47.1759
22	Curtis Bright	47.1095
23	Nik Lygeros / Olivier Rozier / LR team	47.1065
24	Anand Nair	47.0205
25	Henri Lifchitz	46.8362
26	Makoto Morimoto	46.7970
27	Sergey Batalov	46.6330
27	Peter Kaiser	46.6330
29	Nik Lygeros / Olivier Rozier	46.5672
30	Jean-Louis Charton	46.4485
31	Alexander Zhirkov	46.0775
32	Yves Minet	45.9529
33	Borys Jaworski	45.7963
34	Norbert Schneider	45.6446
35	Mike Oakes	45.4811
36	Michael Stocker	45.1413
37	Adrian Bondrescu	45.1328
38	Kellen Shenton	45.0145
39	Dario Alpern	44.9364
40	Jorge Coveiro	44.8701
41	Leonid Durman	44.5445
42	Miklos Levai	44.5444
43	Erik Branger	44.5434
44	Maksym Voznyy	44.0643
45	Phil Moore	43.9356
46	Renaud Lifchitz	43.9182
47	Ray Chandler	43.7713
48	Yusuf AttarBashi	43.7152
49	Anatoly F. Selevich	43.6366
50	Jorge Menendez	43.4607
51	Danilo Nitsche	43.4553
52	Matthias Wurtinger	43.4236
53	Syoichiro Yamada	43.3093
54	paolo galliani	43.1908
55	Donovan Johnson	43.1363
56	Eric W. Weisstein	43.1286
57	Ed Trice	42.9402
58	Mark Rodenkirch	42.9159
59	Vincent Diepeveen	42.9031
60	Makoto Kamada	42.8840
61	Robert Smith	42.7237
62	Richard Fischer	42.5945
63	Thomas Ritschel	42.5917
64	Robert Kinser	42.5587
65	Jens K. Andersen	42.4271
66	Milton L. Brown	42.4230
67	Gilbert Mozzo	42.3829
68	Luke W. Richards	42.2565
69	Markus Tervooren	42.2013
70	Harrison Mesh	42.1987
71	Kevin Acres	42.1267
72	Alexander Gramolin	42.0680
73	Andy Steward	42.0678
74	Eric Chen	42.0206
75	Tyler NeSmith	41.9718
76	Dmitry Domanov	41.9615
77	David Broadhurst	41.9510
78	Akihiko Yoshida	41.9008
79	Wayne Halsdorf	41.8768
80	Theodore Burton	41.8735
81	Kimmo Herranen	41.7829
82	Karsten Bonath	41.7119
83	Nicolas PALAU	41.6474
84	Matt Stath	41.6174
85	Matthias Baur	41.5055
86	Michael Vang	41.5045
87	Joe McLean	41.4510
88	Jason Earls	41.4443
89	Cletus Emmanuel	41.3699
90	Paul Underwood	41.2942
91	Faysal YAtim	41.2683
92	Valeryi Kuryshev	41.2673
93	Gary Barnes	41.2070
94	Dylan Delgado	41.1947
95	Andrey Kulsha	41.1560
96	Payam Samidoost	41.1236
97	Jean Penné	41.0866
98	M. Frind & P. Underwood	41.0735
99	T. D. Noe	41.0112
100	Paul Vanderveen	40.8990
101	Sujan Das	40.6907
102	Bernardo Boncompagni	40.6902
103	Darren Bedwell	40.5716
104	H.&R. Lifchitz	40.5526
105	Marek Hubal	40.5299
106	Michael Porter	40.4610
107	Jiahao He	40.2751
108	Arkadiusz Wesolowski	40.0345
109	Marisa Kirisame	40.0015
110	Jim Fougeron	39.9920
111	Daniel Heuer	39.8964
112	Paul Bourdelais, Harvey Dubner	39.8282
113	Sander Hoogendoorn	39.8108
114	Jeppe Stig Nielsen	39.6131
115	D. Gazzoni Filho & Lucas Teixeira	39.6113
116	Predrag Minovic	39.5972
117	Wojciech Florek	39.5962
118	Ryan C Weaving	39.5308
119	Sinkiti Sibata	39.4834
120	Kurt Beschorner	39.3559
121	Dirk Augustin	39.2949
122	Kenneth Egtved Pedersen	39.1165
123	Lew Baxter	39.1057
124	Pedja Terzic	38.9591
125	Tapashree & Jainam	38.8360
126	Harald Ritter	38.8053
127	Patrick Schmeer	38.6236
128	Ananda Tallur & Jean-Louis Charton	38.5718
129	Walter Nissen	38.4704
130	James G. Merickel	38.4559
131	Gary Chaffey	38.4469
132	Thomas Masser	38.4129
133	Décio Gazzoni Filho	38.3716
134	D.Broadhurst and W.Edgington	38.3693
135	Peter Lesala	38.2364
136	Pierre CAMI	38.1880
137	Harsh Aggarwal	38.0889
138	Phil Carmody	38.0649
139	Jiong Sun	38.0187
140	Tom Wu	37.9657
141	Bouk de Water	37.7897
142	Kamil Duszenko	37.7572
143	Harvey Dubner	37.7421
144	Paul Leyland	37.7267
145	Connor Deptuck	37.7091
146	Markus Hiltbrunner	37.5011
147	Joel Levy	37.4885
148	Leonardo Ottaviano	37.4341
149	Meng-Hsuan Wu	37.2670
150	Greg Childers	37.2465
151	Raffi Chaglassian	37.1068
152	Marcin Lipinski	37.0378
153	Richard McIntosh	37.0213
154	Rob Binnekamp	36.9534
155	Paul Jobling	36.8410
156	Lewis,Jobling,Nash	36.6013
157	Ken Davis	36.4213
158	Rubén Blanco	36.3081
159	MohamedReda Kebbaj	36.2809
160	D.Broadhurst and N.Mandela	36.2365
161	D.Broadhurst and M.Kamada	36.2230
162	D. Broadhurst & B. de Water	36.2010
163	Steven Harvey	36.0407
164	Alexander Kuzmich	35.8876
165	Paul Schmidt	35.8030
166	Anton Vrba	35.6914
167	Dudley Fox	35.5339
168	William Garnett	35.2932
169	Peter Liaskovsky	35.1846
170	Ray Ballinger	35.1526
171	Dmitry Kamenetsky	34.9327
172	Matthew Peets	34.8243
173	Hugo Platzer	34.7951
174	V.M.Ulyanov	34.7788
175	Leonid Muraviov	34.7753
176	Giovanni Di Maria	34.5567
177	Cyclamen Persicum	34.5441
178	Ed Pegg	34.4014
179	Richard FitzHugh	34.1466
180	Michael Kwok	34.1355
181	Sean A. Irvine	34.0515
182	Ed T. Prothro	33.9358
183	Andy Klingeleers	33.8707
184	Nuutti Kuosa	33.7910
185	Michael Eaton	33.7691
186	Tetsuya Kobayashi	33.6073
187	J. Alm & D. Johnson	33.5636
188	Göran Hemdal	33.2857
189	Hugo Pfoertner	33.2269
190	Giovanni La Barbera	33.1670
191	Polly T. Wang	32.8241
192	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: August, 08 2022 12:00 (Time in France)

PRP Top - Top discoverers

Top discoverers by number of PRPs

Top discoverers by production score*

Top discoverers by production score^*