PRP Top - Top discoverers

Top discoverers by number of PRPs

Rank	Discoverer	Score
1	Tony Prest / Never Odd Or Even	103836
2	Stefano Morozzi	33177
3	Lelio R Paula	31241
4	Patrick De Geest	21223
5	Enzo Doria	13886
6	Syoichiro Yamada	13745
7	Robert Price	12364
8	Paul Bourdelais	8878
9	Ray Chandler	8631
10	David Broadhurst	7813
11	Gilbert Mozzo	4720
12	Milton L. Brown	3224
13	Donovan Johnson	3116
14	Serge Batalov	2922
15	Kimmo Herranen	2745
16	Mike Oakes	2437
17	Norbert Schneider	2414
18	Yves Minet	2220
19	Hans Havermann	1603
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	310
35	Maksym Voznyy	271
36	Richard Fischer	225
37	Eric Chen	210
38	Gary Barnes	170
39	Gary Chaffey	162
40	Ryan C Weaving	158
41	Jon Grantham	129
42	Markus Hiltbrunner	123
43	Kevin Acres	109
44	Michael Porter	98
45	Harald Ritter	94
46	Jean-Louis Charton	93
46	Matt Stath	93
48	Jiahao He	91
49	Alfred Reich	87
50	Daniel Heuer	80
51	T. D. Noe	79
52	Paul Leyland	71
52	Sinkiti Sibata	71
54	Dmitry Domanov	68
55	Curtis Bright	61
56	Eric W. Weisstein	58
57	Sander Hoogendoorn	54
58	D.Broadhurst and W.Edgington	53
59	Michael Vang	52
60	Sujan Das	50
61	Renaud Lifchitz	49
62	Makoto Kamada	46
63	Theodore Burton	45
64	Mark Rodenkirch	44
64	Arkadiusz Wesolowski	44
66	Nicolas PALAU	43
67	Patrick Schmeer	39
67	Paul Vanderveen	39
69	Thomas Masser	36
70	Anonymous	32
71	Cletus Emmanuel	30
71	Pedja Terzic	30
73	Harvey Dubner	27
73	Faysal YAtim	27
75	Kellen Shenton	26
76	Youcef Lemsafer	25
77	Greg Childers	24
78	Paul Schmidt	23
79	Wojciech Florek	22
80	Ryan Propper	21
81	Danilo Nitsche	20
81	Gord Palameta	20
81	Riley Fisher	20
84	Joel Levy	19
84	Tyler Busby	19
84	Rob Binnekamp	19
87	Ken Davis	18
87	Predrag Minovic	18
89	Bouk de Water	17
89	Robert Kinser	17
91	Harrison Mesh	15
92	Alex_soldier	14
92	Gabor Levai	14
94	Poliagapitos	13
94	Thomas Ritschel	13
96	Alexander Zhirkov	12
97	Nik Lygeros / Olivier Rozier	11
98	Raffi Chaglassian	10
98	Michael Stocker	10
98	Rytis Slatkevicius	10
98	Marcin Lipinski	10
102	Norman Luhn	9
102	Kamil Duszenko	9
102	Dario Alpern	9
102	Alexander Kuzmich	9
102	D. Broadhurst & B. de Water	9
102	Darren Bedwell	9
102	Tyler NeSmith	9
109	Nik Lygeros / Olivier Rozier / LR team	8
109	Leonid Muraviov	8
109	Walter Nissen	8
109	Anton Vrba	8
109	M. Frind & P. Underwood	8
114	James G. Merickel	7
114	H.&R. Lifchitz	7
114	Jean Penné	7
114	Ryan Propper + Sergey Batalov	7
114	Karsten Bonath	7
119	Dirk Augustin	6
119	Mischa Rodermond	6
121	Pierre CAMI	5
121	Borys Jaworski	5
121	Marisa Kirisame	5
121	Miklos Levai	5
121	Payam Samidoost	5
121	Tom Wu	5
127	V.M.Ulyanov	4
127	Marek Hubal	4
127	Jeppe Stig Nielsen	4
127	Dylan Delgado	4
127	Décio Gazzoni Filho	4
127	Anand Nair	4
133	D. Gazzoni Filho & Lucas Teixeira	3
133	Richard McIntosh	3
133	Paul Jobling	3
133	Giovanni Di Maria	3
133	Hugo Platzer	3
133	Alexander Gramolin	3
133	Harsh Aggarwal	3
133	Ben Maloney / Five or Bust	3
133	Akihiko Yoshida	3
133	Phil Moore	3
133	Jiong Sun	3
133	Meng-Hsuan Wu	3
133	Matthias Baur	3
133	Jinyuan Wang	3
147	Ray Ballinger	2
147	Peter Liaskovsky	2
147	Peter Lesala	2
147	Steven Harvey	2
147	Andy Steward	2
147	Markus Tervooren	2
147	Lewis,Jobling,Nash	2
147	Leonid Durman	2
147	J. Alm & D. Johnson	2
147	Rubén Blanco	2
147	Andy Klingeleers	2
147	Engracio Esmenda / Five or Bust	2
147	Ed Pegg	2
147	Ananda Tallur & Jean-Louis Charton	2
147	Valeryi Kuryshev	2
147	Dmitry Kamenetsky	2
147	Michael Kwok	2
164	Tetsuya Kobayashi	1
164	Tony Reix / Diepeveen-Underwood -Reix	1
164	Sergey Batalov	1
164	William Garnett	1
164	Sean A. Irvine	1
164	Vincent Diepeveen	1
164	Yusuf AttarBashi	1
164	Tapashree & Jainam	1
164	Lew Baxter	1
164	Giovanni La Barbera	1
164	GIMPS-fre_games	1
164	Eden Avidan / Naegi Makoto	1
164	Guido Smetrijns	1
164	Göran Hemdal	1
164	Jeff Gilchrist /Diepeveen-Reix-Underwood-Gilchrist	1
164	Hugo Pfoertner	1
164	Ed Trice	1
164	Ed T. Prothro	1
164	Connor Deptuck	1
164	Aurel Gibier	1
164	Alexander Weiss	1
164	Cyclamen Persicum	1
164	D.Broadhurst and M.Kamada	1
164	Dudley Fox	1
164	D.Broadhurst and N.Mandela	1
164	Jorge Coveiro	1
164	Kurt Beschorner	1
164	Paul Bourdelais, Harvey Dubner	1
164	paolo galliani	1
164	Oliver Kruse	1
164	Peter Kaiser	1
164	Phil Carmody	1
164	Polly T. Wang	1
164	Platon Sovilj	1
164	Nuutti Kuosa	1
164	MohamedReda Kebbaj	1
164	Adrian Bondrescu	1
164	Leonardo Ottaviano	1
164	Luke W. Richards	1
164	Matthew Peets	1
164	Michael Eaton	1
164	Matthias Wurtinger	1
164	Richard FitzHugh	1

Top discoverers by production score^*

Rank	Discoverer	Score
1	Ryan Propper + Sergey Batalov	53.4451
2	Ryan Propper	52.3046
3	Paul Bourdelais	51.1329
4	Anonymous	50.9962
5	Jeff Gilchrist /Diepeveen-Reix-Underwood-Gilchrist	50.9036
6	Eden Avidan / Naegi Makoto	50.7167
7	Tony Prest / Never Odd Or Even	50.4675
8	GIMPS-fre_games	50.1446
9	Enzo Doria	50.0397
10	Engracio Esmenda / Five or Bust	49.8812
11	Stefano Morozzi	49.3753
12	Gord Palameta	49.3233
13	Oliver Kruse	49.0532
14	Robert Price	48.7251
15	Serge Batalov	48.6965
16	Hans Havermann	48.3470
17	Gabor Levai	48.0992
18	Jon Grantham	48.0806
19	Ben Maloney / Five or Bust	47.7568
20	Alfred Reich	47.5935
21	Kellen Shenton	47.5197
22	Lelio R Paula	47.4747
23	Patrick De Geest	47.3257
24	Tony Reix / Diepeveen-Underwood -Reix	47.2269
25	Curtis Bright	47.1095
26	Nik Lygeros / Olivier Rozier / LR team	47.1065
27	Anand Nair	47.0205
28	Henri Lifchitz	46.8362
29	Rytis Slatkevicius	46.8252
30	Makoto Morimoto	46.7970
31	Peter Kaiser	46.6330
31	Sergey Batalov	46.6330
33	Nik Lygeros / Olivier Rozier	46.5672
34	Jean-Louis Charton	46.4485
35	Miklos Levai	46.1482
36	Alexander Zhirkov	46.0960
37	Yves Minet	45.9529
38	Norbert Schneider	45.9251
39	Borys Jaworski	45.7963
40	Mike Oakes	45.4811
41	Mischa Rodermond	45.2614
42	Michael Stocker	45.1413
43	Adrian Bondrescu	45.1328
44	Dario Alpern	44.9364
45	Jorge Coveiro	44.8701
46	Leonid Durman	44.5445
47	Erik Branger	44.5434
48	Tyler Busby	44.4300
49	Maksym Voznyy	44.0643
50	Norman Luhn	44.0373
51	Eric Chen	44.0267
52	Phil Moore	43.9356
53	Renaud Lifchitz	43.9182
54	Ray Chandler	43.7713
55	Yusuf AttarBashi	43.7152
56	Youcef Lemsafer	43.6970
57	Anatoly F. Selevich	43.6366
58	Jorge Menendez	43.5334
59	Danilo Nitsche	43.4553
60	Matthias Wurtinger	43.4236
61	Syoichiro Yamada	43.3093
62	paolo galliani	43.1908
63	Donovan Johnson	43.1363
64	Eric W. Weisstein	43.1286
65	Makoto Kamada	43.0825
66	Ed Trice	42.9402
67	Mark Rodenkirch	42.9159
68	Vincent Diepeveen	42.9031
69	Robert Smith	42.7237
70	Richard Fischer	42.5945
71	Thomas Ritschel	42.5917
72	Robert Kinser	42.5587
73	Alex_soldier	42.5456
74	Jens K. Andersen	42.4271
75	Milton L. Brown	42.4230
76	Jinyuan Wang	42.3874
77	Gilbert Mozzo	42.3829
78	Luke W. Richards	42.2565
79	Markus Tervooren	42.2013
80	Harrison Mesh	42.1987
81	Riley Fisher	42.1489
82	Kevin Acres	42.1267
83	Tyler NeSmith	42.1057
84	Alexander Gramolin	42.0680
85	Andy Steward	42.0678
86	Dmitry Domanov	41.9615
87	David Broadhurst	41.9510
88	Akihiko Yoshida	41.9008
89	Wayne Halsdorf	41.8768
90	Theodore Burton	41.8735
91	Matt Stath	41.8125
92	Paul Vanderveen	41.7967
93	Kimmo Herranen	41.7829
94	Karsten Bonath	41.7119
95	Nicolas PALAU	41.6474
96	Sujan Das	41.5708
97	Matthias Baur	41.5055
98	Michael Vang	41.5045
99	Joe McLean	41.4510
100	Jason Earls	41.4443
101	Cletus Emmanuel	41.3699
102	Paul Underwood	41.2942
103	Faysal YAtim	41.2683
104	Valeryi Kuryshev	41.2673
105	Gary Barnes	41.2070
106	Dylan Delgado	41.1947
107	Andrey Kulsha	41.1560
108	Payam Samidoost	41.1236
109	Jean Penné	41.0866
110	M. Frind & P. Underwood	41.0735
111	T. D. Noe	41.0112
112	Bernardo Boncompagni	40.6902
113	Michael Porter	40.6870
114	Darren Bedwell	40.5716
115	H.&R. Lifchitz	40.5526
116	Marek Hubal	40.5299
117	Poliagapitos	40.3648
118	Jiahao He	40.2751
119	Jeppe Stig Nielsen	40.1663
120	Arkadiusz Wesolowski	40.0345
121	Marisa Kirisame	40.0015
122	Jim Fougeron	39.9920
123	Daniel Heuer	39.8964
124	Paul Bourdelais, Harvey Dubner	39.8282
125	Sander Hoogendoorn	39.8108
126	D. Gazzoni Filho & Lucas Teixeira	39.6113
127	Predrag Minovic	39.5972
128	Wojciech Florek	39.5962
129	Ryan C Weaving	39.5308
130	Sinkiti Sibata	39.4834
131	Kurt Beschorner	39.3559
132	Dirk Augustin	39.2949
133	Alexander Weiss	39.2214
134	Kenneth Egtved Pedersen	39.1165
135	Lew Baxter	39.1057
136	Pedja Terzic	38.9591
137	Tapashree & Jainam	38.8360
138	Harald Ritter	38.8053
139	Patrick Schmeer	38.6236
140	Ananda Tallur & Jean-Louis Charton	38.5718
141	Walter Nissen	38.4704
142	James G. Merickel	38.4559
143	Gary Chaffey	38.4469
144	Thomas Masser	38.4129
145	Décio Gazzoni Filho	38.3716
146	D.Broadhurst and W.Edgington	38.3693
147	Peter Lesala	38.2364
148	Pierre CAMI	38.1880
149	Harsh Aggarwal	38.0889
150	Phil Carmody	38.0649
151	Jiong Sun	38.0187
152	Tom Wu	37.9657
153	Platon Sovilj	37.8224
154	Bouk de Water	37.7897
155	Kamil Duszenko	37.7572
156	Harvey Dubner	37.7421
157	Paul Leyland	37.7267
158	Connor Deptuck	37.7091
159	Aurel Gibier	37.7033
160	Markus Hiltbrunner	37.5011
161	Joel Levy	37.4885
162	Leonardo Ottaviano	37.4341
163	Meng-Hsuan Wu	37.2670
164	Greg Childers	37.2465
165	Raffi Chaglassian	37.1068
166	Marcin Lipinski	37.0378
167	Richard McIntosh	37.0213
168	Rob Binnekamp	36.9534
169	Paul Jobling	36.8410
170	Lewis,Jobling,Nash	36.6013
171	Ken Davis	36.4213
172	Rubén Blanco	36.3081
173	MohamedReda Kebbaj	36.2809
174	D.Broadhurst and N.Mandela	36.2365
175	D.Broadhurst and M.Kamada	36.2230
176	D. Broadhurst & B. de Water	36.2010
177	Steven Harvey	36.0407
178	Alexander Kuzmich	35.8876
179	Paul Schmidt	35.8030
180	Anton Vrba	35.6914
181	Dudley Fox	35.5339
182	William Garnett	35.2932
183	Peter Liaskovsky	35.1846
184	Ray Ballinger	35.1526
185	Dmitry Kamenetsky	34.9327
186	Matthew Peets	34.8243
187	Hugo Platzer	34.7951
188	V.M.Ulyanov	34.7788
189	Leonid Muraviov	34.7753
190	Giovanni Di Maria	34.5567
191	Cyclamen Persicum	34.5441
192	Ed Pegg	34.4014
193	Richard FitzHugh	34.1466
194	Michael Kwok	34.1355
195	Sean A. Irvine	34.0515
196	Ed T. Prothro	33.9358
197	Andy Klingeleers	33.8707
198	Nuutti Kuosa	33.7910
199	Michael Eaton	33.7691
200	Tetsuya Kobayashi	33.6073
201	J. Alm & D. Johnson	33.5636
202	Göran Hemdal	33.2857
203	Hugo Pfoertner	33.2269
204	Giovanni La Barbera	33.1670
205	Polly T. Wang	32.8241
206	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, 25 2023 12:51 (Time in France)

PRP Top - Top discoverers

Top discoverers by number of PRPs

Top discoverers by production score*

Top discoverers by production score^*