Rank |
Probable prime |
Digits (> 10000) |
Who ? |
When ? |
1 | 2^1191375+8543 | 358640 | Phil Moore | 06/2008 |
2 | (2^1148729+2^574365+1)/5 | 345802 | Borys Jaworski | 03/2007 |
3 | (2^1127239+2^563620+1)/5 | 339333 | Borys Jaworski | 11/2006 |
4 | 8^336419-7^336419 | 303817 | Jean-Louis Charton | 01/2008 |
5 | (2^986191+1)/3 | 296873 | Vincent Diepeveen | 06/2008 |
6 | 2^983620+60451 | 296100 | Phil Moore | 03/2008 |
7 | 10^282493-9^282493 | 282493 | Jean-Louis Charton | 03/2007 |
8 | (10^270343-1)/9 | 270343 | Maksym Voznyy | 07/2007 |
9 | Phi(180181,18) | 226176 | Andy Steward | 04/2007 |
10 | 4^341233-3^341233 | 205443 | Jean-Louis Charton | 01/2006 |
11 | 2^678561+678561 | 204268 | Henri Lifchitz | 05/2006 |
12 | (2^148330+1)^4-2 | 178608 | Cletus Emmanuel | 12/2003 |
13 | 2^566496+7 | 170533 | Donovan Johnson | 07/2006 |
14 | 2^551542+19249 | 166031 | Payam Samidoost | 08/2002 |
15 | 9^170099-8^170099 | 162316 | Jean-Louis Charton | 05/2005 |
16 | 3^336353-2^336353 | 160482 | Mike Oakes | 10/2007 |
17 | 8^173687-7^173687 | 156855 | Jean-Louis Charton | 09/2004 |
18 | 2^505431-505431 | 152150 | Henri Lifchitz | 04/2005 |
19 | 2^500899-500899 | 150786 | Henri Lifchitz | 04/2005 |
20 | 2^481801-481801 | 145037 | Henri Lifchitz | 03/2005 |
21 | 2^479844+3 | 144448 | Donovan Johnson | 06/2006 |
22 | 2^458465+2^32+1 | 138012 | T. D. Noe | 06/2007 |
23 | 2^457822+105 | 137819 | Donovan Johnson | 06/2006 |
24 | F(604711) | 126377 | Henri Lifchitz | 02/2005 |
25 | 2^419637+29 | 126324 | Henri Lifchitz | 02/2006 |
26 | 2^414032-5 | 124637 | Henri Lifchitz | 07/2006 |
27 | F(593689) | 124074 | Henri Lifchitz | 01/2005 |
28 | F(590041) | 123311 | Henri Lifchitz | 01/2005 |
29 | 3^256199-2^256199 | 122238 | Mike Oakes | 06/2005 |
30 | 2^398877+105 | 120074 | Donovan Johnson | 01/2006 |
31 | L(574219) | 120005 | Renaud Lifchitz | 03/2004 |
32 | 2^394034-3 | 118617 | M. Frind & P. Underwood | 09/2002 |
33 | 31^78759-30 | 117459 | Theodore Burton | 02/2007 |
34 | 2^388180+93 | 116854 | Donovan Johnson | 07/2008 |
35 | 2^384834+93 | 115847 | Donovan Johnson | 07/2008 |
36 | (2^374321+1)/3 | 112682 | H.&R. Lifchitz | 12/2000 |
37 | L(532277) | 111240 | Renaud Lifchitz | 03/2004 |
38 | 4^184463-3^184463 | 111058 | Jean-Louis Charton | 12/2004 |
39 | (2^365689+2^182845+1)/5 | 110083 | Jean Penné | 11/2006 |
40 | 2^364982-5 | 109871 | Henri Lifchitz | 04/2006 |
41 | 2^363120+3 | 109311 | Donovan Johnson | 04/2006 |
42 | (10^109297-1)/9 | 109297 | Paul Bourdelais, Harvey Dubner | 04/2007 |
43 | 2^354946-3 | 106850 | M. Frind & P. Underwood | 08/2002 |
44 | 43^63177-42 | 103198 | Theodore Burton | 02/2007 |
45 | 2^341134+2533 | 102692 | Henri Lifchitz | 09/2005 |
46 | 2^340688-29 | 102558 | Henri Lifchitz | 05/2005 |
47 | 2^338796+93 | 101988 | Donovan Johnson | 06/2008 |
48 | 4832563059*2^333333+30029 | 100353 | Donovan Johnson | 01/2008 |
49 | (2^333227-2^166614+1)/5 | 100311 | Jean Penné | 11/2006 |
50 | 17^81417-16 | 100180 | Theodore Burton | 11/2005 |
51 | 25206!+p(4114) | 100001 | Henri Lifchitz | 09/2005 |
52 | 25206!-p(5447) | 100001 | Henri Lifchitz | 10/2005 |
53 | 25206!-p(12402) | 100001 | Henri Lifchitz | 04/2006 |
54 | 25206!-p(16290) | 100001 | Henri Lifchitz | 09/2006 |
55 | 25206!-p(19647) | 100001 | Henri Lifchitz | 02/2007 |
56 | 2^332194+11473 | 100001 | Henri Lifchitz | 03/2007 |
57 | 10^100000+342909 | 100001 | Milton L. Brown | 12/2007 |
58 | 10^99999+309403 | 100000 | Daniel Heuer | 01/2004 |
59 | 48^58543-47^58543 | 98425 | Jean-Louis Charton | 11/2005 |
60 | 61^54517-60^54517 | 97331 | Jean-Louis Charton | 09/2005 |
61 | 2^317024+93 | 95434 | Donovan Johnson | 06/2008 |
62 | 2^316140-5 | 95168 | Henri Lifchitz | 02/2006 |
63 | 2^311471+311469 | 93763 | Renaud Lifchitz | 01/2003 |
64 | (2^311027-2^155514+1)/5 | 93628 | Jean Penné | 11/2006 |
65 | 3^195430-2 | 93244 | Theodore Burton | 02/2007 |
66 | 41^57783-40 | 93192 | Theodore Burton | 02/2007 |
67 | 2^308809+37967 | 92961 | Phil Moore | 03/2008 |
68 | L(443609) | 92709 | Renaud Lifchitz | 11/2003 |
69 | 2^307407-307407^2 | 92539 | Henri Lifchitz | 05/2005 |
70 | 2^307125-49789 | 92454 | Henri Lifchitz | 08/2005 |
71 | (2^305867-2^152934+1)/5 | 92075 | Jean Penné | 11/2006 |
72 | 2^305676+93 | 92018 | Donovan Johnson | 06/2008 |
73 | 2^304015+64133 | 91518 | David Broadhurst | 06/2002 |
74 | 2^303224+2533 | 91280 | Henri Lifchitz | 05/2005 |
75 | 2^302949+81 | 91197 | Henri Lifchitz | 02/2007 |
76 | 2^302505+81 | 91064 | Henri Lifchitz | 02/2007 |
77 | 2^301683-301683^2 | 90816 | Henri Lifchitz | 05/2005 |
78 | F(433781) | 90655 | Henri Lifchitz | 09/2003 |
79 | 10^89999+82939 | 90000 | Dirk Augustin | 04/2007 |
80 | (7^106187+1)/8 | 89738 | Paul Bourdelais | 04/2008 |
81 | 4^148663-3^148663 | 89505 | Jean-Louis Charton | 11/2005 |
82 | 2^296016+81 | 89110 | Henri Lifchitz | 02/2007 |
83 | 31^59713-30 | 89054 | Theodore Burton | 02/2007 |
84 | 19^69025-18 | 88266 | Theodore Burton | 01/2006 |
85 | 2^292929+43877 | 88181 | Donovan Johnson | 04/2005 |
86 | 91382^9+9^91382 | 87201 | Andrey Kulsha | 11/2004 |
87 | (10^86453-1)/9 | 86453 | Lew Baxter | 10/2000 |
88 | 2^284133-3 | 85533 | M. Frind & P. Underwood | 07/2002 |
89 | 19834^19834+8947 | 85235 | Henri Lifchitz | 11/2004 |
90 | 2^280852+97681 | 84545 | Yves Minet | 08/2004 |
91 | (141584^16384+1)/65537 | 84390 | Syoichiro Yamada | 06/2008 |
92 | F(397379) | 83047 | Henri Lifchitz | 08/2003 |
93 | 2^275259+81 | 82862 | Henri Lifchitz | 01/2007 |
94 | 3^173191-2^173191 | 82634 | Mike Oakes | 02/2004 |
95 | 11^79133-10 | 82409 | Theodore Burton | 11/2005 |
96 | (2^269987+1)/3 | 81274 | H.&R. Lifchitz | 10/2000 |
97 | L(387433) | 80969 | Renaud Lifchitz | 11/2003 |
98 | 134^37987-133^37987 | 80803 | Jean-Louis Charton | 12/2005 |
99 | (2^267017+1)/3 | 80380 | H.&R. Lifchitz | 09/2000 |
100 | 47^47667-46 | 79704 | Theodore Burton | 02/2007 |
101 | 19^61980-18 | 79258 | Theodore Burton | 12/2005 |
102 | 4^131497-3^131497 | 79170 | Jean-Louis Charton | 05/2004 |
103 | 1000001^13159-1000000^13159 | 78953 | Jean-Louis Charton | 10/2003 |
104 | L(376121)+F(376122) | 78605 | Henri Lifchitz | 01/2007 |
105 | 14*10^78362+1089 | 78364 | Jens K. Andersen | 11/2007 |
106 | 7^92511-6 | 78181 | Theodore Burton | 11/2005 |
107 | PIPrime(78073) | 78073 | Eric W. Weisstein | 07/2006 |
108 | (2^257869+1)/(3*18645362967379) | 77613 | Henri Lifchitz | 04/2005 |
109 | 2^256391-1155*256391 | 77182 | Henri Lifchitz | 03/2005 |
110 | 7^90291-6 | 76305 | Theodore Burton | 11/2005 |
111 | 14*10^75798+1089 | 75800 | Jens K. Andersen | 11/2007 |
112 | 12^70067-11^70067 | 75615 | Jean-Louis Charton | 11/2006 |
113 | 8^83663-7^83663 | 75556 | Jean-Louis Charton | 01/2004 |
114 | 19401!+19401#+1 | 74765 | D. Gazzoni Filho & Lucas Teixeira | 06/2005 |
115 | (777*2^247788+1)/(11*754121) | 74588 | Jens K. Andersen | 09/2007 |
116 | 2^247165-3 | 74405 | M. Frind & P. Underwood | 07/2002 |
117 | (1363*2^246767+1)/(3*5*7*13^2*743) | 74281 | Jens K. Andersen | 09/2007 |
118 | 2^246618+427 | 74240 | Henri Lifchitz | 02/2005 |
119 | 19255!+19255#+1 | 74140 | D. Gazzoni Filho & Lucas Teixeira | 06/2005 |
120 | 9998*2^245696+3 | 73966 | Donovan Johnson | 10/2004 |
121 | 7^86689-6^86689 | 73261 | Predrag Minovic | 09/2004 |
122 | 6^93812+5 | 73000 | Wojciech Florek | 03/2006 |
123 | F(348307)/20562890865908093 | 72776 | Donovan Johnson | 07/2007 |
124 | (3^152287+1)/4 | 72659 | Paul Bourdelais | 04/2008 |
125 | 2^241004-3 | 72550 | M. Frind & P. Underwood | 07/2002 |
126 | L(344293) | 71953 | Renaud Lifchitz | 09/2003 |
127 | 2^238081+1155*238081 | 71670 | Henri Lifchitz | 02/2005 |
128 | -numer(bernoulli(22808)/22808) | 71290 | T. D. Noe | 09/2005 |
129 | 2^235326+3 | 70841 | Donovan Johnson | 02/2006 |
130 | r(35414,90)*1000+911 | 70831 | Patrick De Geest | 07/2004 |
131 | (2^235099-2^117550+1)/5 | 70772 | Jean Penné | 11/2006 |
132 | 19471^16428-2 | 70467 | Faysal YAtim | 09/2005 |
133 | (19775^16384+1)/2 | 70388 | Henri Lifchitz | 03/2007 |
134 | 10^70000+80487 | 70001 | Milton L. Brown | 05/2006 |
135 | 10^69999+134857 | 70000 | Patrick De Geest | 02/2007 |
136 | 2^228944+81 | 68920 | Henri Lifchitz | 01/2007 |
137 | 8^76213-7^76213 | 68828 | Ananda Tallur & Jean-Louis Charton | 11/2003 |
138 | 2^228271-228271 | 68717 | Henri Lifchitz | 11/2004 |
139 | (14^59693-1)/13 | 68415 | Paul Bourdelais | 06/2008 |
140 | 2^225536-29 | 67894 | Henri Lifchitz | 05/2005 |
141 | (1!)^2+(2!)^2+(3!)^2+...+(9566!)^2 | 67856 | T. D. Noe | 02/2006 |
142 | 2^224815-49789 | 67677 | Henri Lifchitz | 04/2005 |
143 | (2347*2^223281+1)/(3*5*197*1213*1783) | 67208 | Jens K. Andersen | 09/2007 |
144 | 2^222943+29 | 67113 | Henri Lifchitz | 08/2005 |
145 | 10^66949-9^66949 | 66949 | Jean-Louis Charton | 12/2005 |
146 | (2^221891-2^110946+1)/5 | 66796 | Jean Penné | 11/2006 |
147 | 2^219653+15015*219653 | 66123 | Henri Lifchitz | 04/2005 |
148 | 2^219304+454245 | 66018 | Henri Lifchitz | 03/2007 |
149 | Pell-LucasQ(172243)/2 | 65931 | Eric W. Weisstein | 01/2007 |
150 | 2^218200+427 | 65685 | Henri Lifchitz | 01/2005 |
151 | (315047^11933+1)/315048 | 65607 | Faysal YAtim | 06/2008 |
152 | 2^217190+94395 | 65381 | Henri Lifchitz | 02/2005 |
153 | Pell-LucasQ(170413)/2 | 65230 | Eric W. Weisstein | 12/2006 |
154 | (9513^16384+1)/2 | 65181 | Henri Lifchitz | 02/2007 |
155 | 7*2^216091+2^298-13 | 65051 | Peter Lesala | 03/2007 |
156 | (3045*2^215471-1)/(17*1151*27067*173473) | 64853 | Jens K. Andersen | 09/2007 |
157 | Pell-LucasQ(168677)/2 | 64566 | Eric W. Weisstein | 11/2006 |
158 | L(306854)+F(306855) | 64129 | Henri Lifchitz | 01/2007 |
159 | (3^134227+1)/4 | 64042 | Paul Bourdelais | 11/2007 |
160 | 16878!+16878#-1 | 64022 | D. Gazzoni Filho & Lucas Teixeira | 05/2005 |
161 | 5^91493-4^91493 | 63951 | Predrag Minovic | 04/2004 |
162 | 2^211547+1155*211547 | 63682 | Henri Lifchitz | 02/2005 |
163 | Pell-LucasQ(165799)/2 | 63464 | Eric W. Weisstein | 11/2006 |
164 | 2^210061+21 | 63235 | Donovan Johnson | 06/2006 |
165 | (314021^11467+1)/314022 | 63029 | Faysal YAtim | 05/2008 |
166 | V(301486) | 63007 | Henri Lifchitz | 05/2003 |
167 | 2^208779+81 | 62849 | Henri Lifchitz | 01/2007 |
168 | 2^208594+93 | 62794 | Donovan Johnson | 06/2008 |
169 | 2^208292+81 | 62703 | Henri Lifchitz | 10/2005 |
170 | 2^207865+29 | 62574 | Henri Lifchitz | 08/2005 |
171 | 2^207691+1155*207691 | 62522 | Henri Lifchitz | 02/2005 |
172 | (1000121^10391+1)/1000122 | 62341 | Faysal YAtim | 07/2008 |
173 | (6^79987-1)/5 | 62242 | Paul Bourdelais | 11/2007 |
174 | 2^206574+613 | 62185 | Jason Earls | 04/2008 |
175 | 2^206506+427 | 62165 | Henri Lifchitz | 01/2005 |
176 | 2^205962+3 | 62001 | Donovan Johnson | 02/2006 |
177 | 2^205933-205933^2 | 61993 | Henri Lifchitz | 05/2005 |
178 | 14*10^61937+1089 | 61939 | Jens K. Andersen | 11/2007 |
179 | ((((((((((2^3+3)^3+30)^3+6)^3+80)^3+12)^3+450)^3+894)^3+3636)^3+70756)^3+97220)^3+66768 | 61684 | Phil Carmody | 09/2004 |
180 | 2^204129+204129 | 61449 | Henri Lifchitz | 04/2002 |
181 | 2^203689-31 | 61317 | Thomas Masser | 10/2005 |
182 | 5^87606+4 | 61234 | Wojciech Florek | 11/2005 |
183 | 22355*2^203009-3 | 61117 | Donovan Johnson | 03/2004 |
184 | 10^60959-60959 | 60959 | Henri Lifchitz | 08/2002 |
185 | 5183^16384+5182^16384 | 60860 | Henri Lifchitz | 01/2007 |
186 | 2^201609-49789 | 60691 | Henri Lifchitz | 03/2005 |
187 | (1000159^10091+1)/1000160 | 60541 | Faysal YAtim | 08/2008 |
188 | (38602791*2^200026-1)/(577849*2645749*3427009) | 60203 | Jens K. Andersen | 09/2007 |
189 | 2^199872+93 | 60168 | Donovan Johnson | 06/2008 |
190 | 2^199672+2533 | 60108 | Henri Lifchitz | 09/2004 |
191 | 10^60000+204331 | 60001 | Milton L. Brown | 04/2006 |
192 | 10^60000+87129 | 60001 | Milton L. Brown | 04/2006 |
193 | 10^59999+65197 | 60000 | Patrick De Geest | 04/2005 |
194 | 2^197872+81 | 59566 | Henri Lifchitz | 10/2005 |
195 | 15^50385-14 | 59258 | Wojciech Florek | 06/2006 |
196 | (136777#-1)/8823581477 | 59254 | Donovan Johnson | 05/2006 |
197 | 1111*2^196610-555 | 59189 | Henri Lifchitz | 04/2005 |
198 | 7^69371-6^69371 | 58626 | Predrag Minovic | 08/2004 |
199 | 2^193965+5 | 58390 | Henri Lifchitz | 12/2002 |
200 | 3^122219-2^122219 | 58314 | Mike Oakes | 09/2003 |
201 | L(277273)/11090921 | 57940 | Donovan Johnson | 11/2005 |
202 | 2^192457-1155*192457 | 57936 | Henri Lifchitz | 02/2005 |
203 | 2^192023-192023^2 | 57805 | Henri Lifchitz | 05/2005 |
204 | 2^190945+29 | 57481 | Henri Lifchitz | 06/2005 |
205 | 2^190455-1155*190455 | 57333 | Henri Lifchitz | 02/2005 |
206 | 2^189181+94395 | 56950 | Henri Lifchitz | 01/2005 |
207 | 2^189110-3 | 56928 | M. Frind & P. Underwood | 11/2002 |
208 | (100049^11311+1)/100050 | 56553 | Faysal YAtim | 09/2007 |
209 | 2^187382+613 | 56408 | Jason Earls | 04/2008 |
210 | 2^187230+427 | 56362 | Henri Lifchitz | 01/2005 |
211 | 19317^788+788^19317 | 55953 | Anatoly F. Selevich | 12/2006 |
212 | Pell-LucasQ(145969)/2 | 55874 | Eric W. Weisstein | 08/2006 |
213 | 18628^977+977^18628 | 55696 | Anatoly F. Selevich | 01/2007 |
214 | (2^184232+1)/257 | 55457 | Donovan Johnson | 03/2005 |
215 | 58046^9+9^58046 | 55390 | Andrey Kulsha | 02/2004 |
216 | 2^183632-5 | 55279 | Henri Lifchitz | 08/2005 |
217 | 4^91283-3^91283 | 54958 | Jean-Louis Charton | 01/2004 |
218 | 2^182451-182451 | 54924 | Henri Lifchitz | 10/2004 |
219 | 2^182444+81 | 54922 | Henri Lifchitz | 10/2005 |
220 | 2^181913+29 | 54762 | Henri Lifchitz | 06/2005 |
221 | 2^181155-1155*181155 | 54534 | Henri Lifchitz | 02/2005 |
222 | 2^64459+3^64459+5^64459+7^64459 | 54475 | Henri Lifchitz | 08/2001 |
223 | 810522513*2^180009-9531*2^9531-1 | 54198 | Jiong Sun | 12/2003 |
224 | 2^180014+613 | 54190 | Jason Earls | 04/2008 |
225 | 2^180001+41877 | 54186 | Jim Fougeron | 08/2002 |
226 | 2^180000+130153 | 54186 | Jim Fougeron | 09/2002 |
227 | 2^179790+33 | 54123 | Donovan Johnson | 02/2006 |
228 | 2^179120+2533 | 53921 | Henri Lifchitz | 09/2004 |
229 | (72*10^53847-27)/99 | 53847 | Patrick De Geest | 08/2004 |
230 | (14450!-1)/225296581 | 53829 | Donovan Johnson | 04/2006 |
231 | 18900^703+703^18900 | 53808 | Anatoly F. Selevich | 02/2007 |
232 | (10^53718-7)/3 | 53718 | Makoto Kamada | 10/2004 |
233 | 17994^955+955^17994 | 53623 | Anatoly F. Selevich | 10/2006 |
234 | 37302#*10^(37302+52)+p(37302+1) | 53457 | Jason Earls | 08/2008 |
235 | 1829^16384+1828^16384 | 53449 | Henri Lifchitz | 01/2007 |
236 | 19783^492+492^19783 | 53256 | Anatoly F. Selevich | 02/2007 |
237 | 2^176177+60947 | 53035 | David Broadhurst | 05/2002 |
238 | 2^175801+1155*175801 | 52922 | Henri Lifchitz | 01/2005 |
239 | 19846^455+455^19846 | 52751 | Anatoly F. Selevich | 02/2007 |
240 | 2^175160+9385 | 52729 | Lelio R Paula | 07/2008 |
241 | (260137^9679+1)/260138 | 52409 | Faysal YAtim | 03/2008 |
242 | (2^173867-1)/52536637502689 | 52326 | Donovan Johnson | 06/2005 |
243 | 2^173130-9221 | 52118 | Lelio R Paula | 07/2008 |
244 | 41^32295-40 | 52085 | Theodore Burton | 02/2007 |
245 | 7*2^172403-3 | 51900 | Henri Lifchitz | 06/2003 |
246 | (80051^10567+1)/80052 | 51809 | Faysal YAtim | 07/2007 |
247 | 2^172074+1459 | 51800 | Lelio R Paula | 07/2008 |
248 | 2^171663+1155*171663 | 51676 | Henri Lifchitz | 01/2005 |
249 | U(250849) | 51425 | Michael Porter | 08/2007 |
250 | 9^53857-8^53857 | 51393 | Jean-Louis Charton | 11/2004 |