PRP Top - Top discoverers



Top discoverers by number of PRPs

RankDiscovererScore
1Tony Prest / Never Odd Or Even103856
2Stefano Morozzi37892
3Lelio R Paula31241
4Patrick De Geest21223
5Enzo Doria14747
6Syoichiro Yamada13745
7Robert Price12543
8Paul Bourdelais8899
9Ray Chandler8631
10David Broadhurst7813
11Gilbert Mozzo4720
12Milton L. Brown3224
13Donovan Johnson3116
14Serge Batalov3028
15Kimmo Herranen2745
16Norbert Schneider2598
17Mike Oakes2437
18Yves Minet2220
19Hans Havermann1604
20Henri Lifchitz1497
21Bernardo Boncompagni1489
22Frank Doornink802
23Andrey Kulsha801
24Jorge Menendez702
25Wayne Halsdorf674
26Alfred Reich637
27Makoto Morimoto627
28Jason Earls614
29Joe McLean594
30Jim Fougeron580
31Jens K. Andersen573
32Anatoly F. Selevich475
33Kenneth Egtved Pedersen422
34Robert Smith374
35Paul Underwood336
36Erik Branger331
37Eric Chen328
38Tyler Busby277
39Maksym Voznyy271
40Richard Fischer232
41Gary Barnes170
41Danilo Nitsche170
43Anonymous163
44Gary Chaffey162
45Ryan C Weaving158
46Ryan Propper151
47Jon Grantham129
48Markus Hiltbrunner123
49Kevin Acres109
50Michael Porter105
51Paul Vanderveen100
52Harald Ritter94
53Matt Stath93
53Jean-Louis Charton93
55Jiahao He91
56Daniel Heuer80
57T. D. Noe79
58Sinkiti Sibata71
58Paul Leyland71
60Dmitry Domanov68
61Curtis Bright61
62Pedja Terzic59
63Eric W. Weisstein58
64Norman Luhn57
65Sander Hoogendoorn54
66D.Broadhurst and W.Edgington53
67Michael Vang52
68Sujan Das50
69Renaud Lifchitz49
70Makoto Kamada48
71Theodore Burton45
72Arkadiusz Wesolowski44
72Mark Rodenkirch44
74Nicolas PALAU43
75Patrick Schmeer39
76Riley Fisher37
77Thomas Masser36
78Cletus Emmanuel30
79Faysal YAtim27
79Kellen Shenton27
79Harvey Dubner27
82Robinas Birthday26
83Youcef Lemsafer25
84Greg Childers24
85Paul Schmidt23
86Boyan Hu22
86Jinyuan Wang22
86Wojciech Florek22
86Martin Hopf22
90Yaroslav Berezhko20
90Gabor Levai20
90Aurel Gibier20
90Tom Wu20
94Rob Binnekamp19
94Joel Levy19
94Gord Palameta19
97Ken Davis18
97Predrag Minovic18
99Robert Kinser17
99Bouk de Water17
101Rytis Slatkevicius16
102Harrison Mesh15
103Alex_soldier14
104Poliagapitos13
104Thomas Ritschel13
106Alexander Zhirkov12
107Nik Lygeros / Olivier Rozier11
107Ryan Propper + Sergey Batalov11
109Hayden Chesnut10
109Raffi Chaglassian10
109Michael Stocker10
109Marcin Lipinski10
109Sergey Batalov10
114Darren Bedwell9
114Dario Alpern9
114Alexander Kuzmich9
114D. Broadhurst & B. de Water9
114Kamil Duszenko9
114Tyler NeSmith9
120Nik Lygeros / Olivier Rozier / LR team8
120Anton Vrba8
120Leonid Muraviov8
120Walter Nissen8
120M. Frind & P. Underwood8
125James G. Merickel7
125H.&R. Lifchitz7
125Jean Penné7
125Karsten Bonath7
129Mischa Rodermond6
129Jason Yuen6
129Dirk Augustin6
132Harsh Aggarwal5
132Borys Jaworski5
132Marisa Kirisame5
132Payam Samidoost5
132Miklos Levai5
132Pierre CAMI5
138Marek Hubal4
138Jeppe Stig Nielsen4
138Anand Nair4
138Dylan Delgado4
138V.M.Ulyanov4
138Décio Gazzoni Filho4
144Phil Moore3
144Paul Jobling3
144Giovanni Di Maria3
144Alexander Weiss3
144Richard McIntosh3
144Alexander Gramolin3
144Akihiko Yoshida3
144Jiong Sun3
144D. Gazzoni Filho & Lucas Teixeira3
144Meng-Hsuan Wu3
144Matthias Baur3
144Ben Maloney / Five or Bust3
144Hugo Platzer3
157Engracio Esmenda / Five or Bust2
157Rubén Blanco2
157Ed Pegg2
157Dmitry Kamenetsky2
157Ray Ballinger2
157Steven Harvey2
157Michael Kwok2
157J. Alm & D. Johnson2
157Andy Klingeleers2
157Markus Tervooren2
157Lewis,Jobling,Nash2
157Andy Steward2
157Benjamin Chaffin2
157Ananda Tallur & Jean-Louis Charton2
157Valeryi Kuryshev2
157Peter Lesala2
157Leonid Durman2
157Peter Liaskovsky2
175William Garnett1
175Tetsuya Kobayashi1
175Tapashree & Jainam1
175Sean A. Irvine1
175Vincent Diepeveen1
175Yusuf AttarBashi1
175Tony Reix / Diepeveen-Underwood -Reix1
175Lew Baxter1
175Guido Smetrijns1
175Giovanni La Barbera1
175GIMPS-fre_games1
175Göran Hemdal1
175Hugo Pfoertner1
175Jorge Coveiro1
175Jeff Gilchrist /Diepeveen-Reix-Underwood-Gilchrist1
175Eden Avidan / Naegi Makoto1
175Ed Trice1
175Cyclamen Persicum1
175Connor Deptuck1
175D.Broadhurst and M.Kamada1
175D.Broadhurst and N.Mandela1
175Ed T. Prothro1
175Dudley Fox1
175Kurt Beschorner1
175Leonardo Ottaviano1
175Paul Bourdelais, Harvey Dubner1
175paolo galliani1
175Oliver Kruse1
175Peter Kaiser1
175Phil Carmody1
175Polly T. Wang1
175Platon Sovilj1
175Nuutti Kuosa1
175MohamedReda Kebbaj1
175Logan Mesh1
175Adrian Bondrescu1
175Luke W. Richards1
175Matthew Peets1
175Michael Eaton1
175Matthias Wurtinger1
175Richard FitzHugh1

Top discoverers by production score*

RankDiscovererScore
1Ryan Propper + Sergey Batalov53.4706
2Ryan Propper53.1039
3Paul Bourdelais52.2506
4Anonymous51.2563
5Enzo Doria51.0659
6Jeff Gilchrist /Diepeveen-Reix-Underwood-Gilchrist50.9036
7Eden Avidan / Naegi Makoto50.7167
8Tony Prest / Never Odd Or Even50.4677
9Stefano Morozzi50.2676
10GIMPS-fre_games50.1446
11Engracio Esmenda / Five or Bust49.8812
12Gord Palameta49.3233
13Oliver Kruse49.0532
14Gabor Levai48.9691
15Benjamin Chaffin48.9045
16Robert Price48.7668
17Serge Batalov48.7541
18Hans Havermann48.5131
19Tyler Busby48.0832
20Jon Grantham48.0806
21Henri Lifchitz48.0671
22Boyan Hu47.7635
23Ben Maloney / Five or Bust47.7568
24Alfred Reich47.7329
25Kellen Shenton47.6574
26Lelio R Paula47.4747
27Patrick De Geest47.3257
28Tony Reix / Diepeveen-Underwood -Reix47.2269
29Rytis Slatkevicius47.1256
30Curtis Bright47.1095
31Nik Lygeros / Olivier Rozier / LR team47.1065
32Anand Nair47.0205
33Sergey Batalov46.8860
34Makoto Morimoto46.7970
35Peter Kaiser46.6330
36Nik Lygeros / Olivier Rozier46.5672
37Jean-Louis Charton46.4485
38Frank Doornink46.4343
39Norbert Schneider46.4259
40Miklos Levai46.1482
41Alexander Zhirkov46.0960
42Eric Chen46.0231
43Danilo Nitsche46.0194
44Yves Minet45.9529
45Borys Jaworski45.7963
46Mike Oakes45.4811
47Mischa Rodermond45.2614
48Paul Vanderveen45.2394
49Michael Stocker45.1413
50Adrian Bondrescu45.1328
51Dario Alpern44.9364
52Jorge Coveiro44.8701
53Norman Luhn44.6606
54Leonid Durman44.5445
55Erik Branger44.5434
56Jorge Menendez44.1576
57Maksym Voznyy44.0643
58Phil Moore43.9356
59Renaud Lifchitz43.9182
60Jinyuan Wang43.8729
61Ray Chandler43.7713
62Yusuf AttarBashi43.7152
63Youcef Lemsafer43.6970
64Anatoly F. Selevich43.6366
65Matthias Wurtinger43.4236
66Makoto Kamada43.3220
67Syoichiro Yamada43.3093
68paolo galliani43.1908
69Donovan Johnson43.1363
70Eric W. Weisstein43.1286
71Aurel Gibier43.0939
72Riley Fisher42.9474
73Ed Trice42.9402
74Mark Rodenkirch42.9159
75Vincent Diepeveen42.9031
76Martin Hopf42.7818
77Robert Smith42.7237
78Richard Fischer42.6759
79Tom Wu42.6028
80Thomas Ritschel42.5917
81Robert Kinser42.5587
82Alex_soldier42.5456
83Jens K. Andersen42.4271
84Milton L. Brown42.4230
85Gilbert Mozzo42.3829
86Luke W. Richards42.2565
87Jason Yuen42.2563
88Markus Tervooren42.2013
89Harrison Mesh42.1987
90Hayden Chesnut42.1843
91Kevin Acres42.1267
92Tyler NeSmith42.1057
93Alexander Gramolin42.0680
94Andy Steward42.0678
95Dmitry Domanov41.9615
96David Broadhurst41.9510
97Yaroslav Berezhko41.9293
98Akihiko Yoshida41.9008
99Wayne Halsdorf41.8768
100Theodore Burton41.8735
101Matt Stath41.8125
102Kimmo Herranen41.7829
103Karsten Bonath41.7119
104Harsh Aggarwal41.6996
105Michael Porter41.6897
106Nicolas PALAU41.6474
107Sujan Das41.5708
108Matthias Baur41.5055
109Michael Vang41.5045
110Joe McLean41.4510
111Jason Earls41.4443
112Cletus Emmanuel41.3699
113Paul Underwood41.2942
114Faysal YAtim41.2683
115Valeryi Kuryshev41.2673
116Gary Barnes41.2070
117Dylan Delgado41.1947
118Andrey Kulsha41.1560
119Payam Samidoost41.1236
120Jean Penné41.0866
121M. Frind & P. Underwood41.0735
122Pedja Terzic41.0707
123T. D. Noe41.0112
124Robinas Birthday40.7095
125Bernardo Boncompagni40.6902
126Darren Bedwell40.5716
127Alexander Weiss40.5545
128H.&R. Lifchitz40.5526
129Marek Hubal40.5299
130Poliagapitos40.3648
131Jiahao He40.2751
132Jeppe Stig Nielsen40.1663
133Arkadiusz Wesolowski40.0345
134Marisa Kirisame40.0015
135Jim Fougeron39.9920
136Daniel Heuer39.8964
137Paul Bourdelais, Harvey Dubner39.8282
138Sander Hoogendoorn39.8108
139D. Gazzoni Filho & Lucas Teixeira39.6113
140Predrag Minovic39.5972
141Wojciech Florek39.5962
142Ryan C Weaving39.5308
143Sinkiti Sibata39.4834
144Kurt Beschorner39.3559
145Dirk Augustin39.2949
146Logan Mesh39.2542
147Kenneth Egtved Pedersen39.1165
148Lew Baxter39.1057
149Tapashree & Jainam38.8360
150Harald Ritter38.8053
151Patrick Schmeer38.6236
152Ananda Tallur & Jean-Louis Charton38.5718
153Walter Nissen38.4704
154James G. Merickel38.4559
155Gary Chaffey38.4469
156Thomas Masser38.4129
157Décio Gazzoni Filho38.3716
158D.Broadhurst and W.Edgington38.3693
159Peter Lesala38.2364
160Pierre CAMI38.1880
161Phil Carmody38.0649
162Jiong Sun38.0187
163Platon Sovilj37.8224
164Bouk de Water37.7897
165Kamil Duszenko37.7572
166Harvey Dubner37.7421
167Paul Leyland37.7267
168Connor Deptuck37.7091
169Markus Hiltbrunner37.5011
170Joel Levy37.4885
171Leonardo Ottaviano37.4341
172Meng-Hsuan Wu37.2670
173Greg Childers37.2465
174Raffi Chaglassian37.1068
175Marcin Lipinski37.0378
176Richard McIntosh37.0213
177Rob Binnekamp36.9534
178Paul Jobling36.8410
179Lewis,Jobling,Nash36.6013
180Ken Davis36.4213
181Rubén Blanco36.3081
182MohamedReda Kebbaj36.2809
183D.Broadhurst and N.Mandela36.2365
184D.Broadhurst and M.Kamada36.2230
185D. Broadhurst & B. de Water36.2010
186Steven Harvey36.0407
187Alexander Kuzmich35.8876
188Paul Schmidt35.8030
189Anton Vrba35.6914
190Dudley Fox35.5339
191William Garnett35.2932
192Peter Liaskovsky35.1846
193Ray Ballinger35.1526
194Dmitry Kamenetsky34.9327
195Matthew Peets34.8243
196Hugo Platzer34.7951
197V.M.Ulyanov34.7788
198Leonid Muraviov34.7753
199Giovanni Di Maria34.5567
200Cyclamen Persicum34.5441
201Ed Pegg34.4014
202Richard FitzHugh34.1466
203Michael Kwok34.1355
204Sean A. Irvine34.0515
205Ed T. Prothro33.9358
206Andy Klingeleers33.8707
207Nuutti Kuosa33.7910
208Michael Eaton33.7691
209Tetsuya Kobayashi33.6073
210J. Alm & D. Johnson33.5636
211Göran Hemdal33.2857
212Hugo Pfoertner33.2269
213Giovanni La Barbera33.1670
214Polly T. Wang32.8241
215Guido Smetrijns32.7635


* : 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: May, 11 2026 10:56 (Time in France)