First 31232 chen primes

Chen primes: A prime number p is called a Chen prime if p + 2 is either a prime or semiprime.

There is 31232 chen primes in the database. All known will be shown.

Only first 1000 members is shown. You can check their list

First 1000 chen primes have values between 2 and 17489.

Checkout list of first: 10, 50, 100, 500, 1000 chen primes. You can also check all chen primes.

List#

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 47, 53, 59, 67, 71, 83, 89, 101, 107, 109, 113, 127, 131, 137, 139, 149, 157, 167, 179, 181, 191, 197, 199, 211, 227, 233, 239, 251, 257, 263, 269, 281, 293, 307, 311, 317, 337, 347, 353, 359, 379, 389, 401, 409, 419, 431, 443, 449, 461, 467, 479, 487, 491, 499, 503, 509, 521, 541, 557, 563, 569, 571, 577, 587, 599, 617, 631, 641, 647, 653, 659, 677, 683, 701, 719, 743, 751, 761, 769, 787, 797, 809, 811, 821, 827, 829, 839, 857, 863, 877, 881, 887, 911, 919, 937, 941, 947, 953, 971, 977, 983, 991, 1009, 1019, 1031, 1039, 1049, 1061, 1091, 1097, 1109, 1117, 1151, 1163, 1187, 1193, 1201, 1217, 1229, 1259, 1277, 1283, 1289, 1291, 1297, 1301, 1319, 1327, 1361, 1367, 1381, 1399, 1409, 1427, 1439, 1451, 1459, 1471, 1481, 1487, 1499, 1511, 1553, 1559, 1567, 1583, 1601, 1607, 1619, 1621, 1637, 1667, 1669, 1697, 1709, 1721, 1733, 1759, 1777, 1787, 1801, 1847, 1871, 1877, 1889, 1901, 1907, 1913, 1931, 1949, 1979, 1997, 2003, 2017, 2027, 2029, 2039, 2069, 2081, 2087, 2099, 2111, 2129, 2141, 2153, 2179, 2207, 2213, 2237, 2243, 2251, 2267, 2269, 2281, 2309, 2333, 2339, 2351, 2357, 2381, 2389, 2393, 2411, 2417, 2441, 2447, 2459, 2467, 2477, 2531, 2543, 2549, 2557, 2579, 2591, 2609, 2621, 2647, 2657, 2659, 2687, 2699, 2711, 2719, 2729, 2731, 2741, 2777, 2789, 2801, 2837, 2843, 2857, 2861, 2879, 2897, 2909, 2927, 2939, 2957, 2963, 2969, 2971, 2999, 3011, 3037, 3041, 3061, 3083, 3089, 3119, 3137, 3167, 3181, 3187, 3191, 3203, 3221, 3251, 3257, 3259, 3271, 3299, 3307, 3329, 3347, 3359, 3371, 3389, 3407, 3413, 3457, 3461, 3467, 3491, 3511, 3527, 3539, 3541, 3557, 3559, 3581, 3593, 3637, 3659, 3671, 3677, 3691, 3709, 3719, 3761, 3767, 3779, 3797, 3803, 3821, 3847, 3851, 3863, 3881, 3889, 3907, 3917, 3919, 3929, 3947, 3989, 4001, 4007, 4019, 4049, 4091, 4099, 4127, 4133, 4139, 4157, 4211, 4217, 4229, 4241, 4259, 4271, 4283, 4289, 4297, 4337, 4339, 4349, 4357, 4391, 4397, 4409, 4421, 4441, 4447, 4451, 4481, 4517, 4547, 4567, 4591, 4637, 4643, 4649, 4657, 4679, 4703, 4721, 4733, 4787, 4789, 4799, 4801, 4817, 4861, 4871, 4889, 4909, 4931, 4937, 4967, 4969, 4987, 4999, 5009, 5021, 5039, 5051, 5077, 5087, 5099, 5147, 5153, 5167, 5171, 5189, 5197, 5231, 5261, 5279, 5297, 5303, 5309, 5347, 5351, 5381, 5387, 5399, 5417, 5431, 5441, 5471, 5477, 5483, 5501, 5507, 5519, 5531, 5581, 5639, 5651, 5657, 5669, 5701, 5711, 5737, 5741, 5791, 5801, 5807, 5813, 5849, 5851, 5867, 5879, 5897, 5903, 5939, 5981, 5987, 6007, 6011, 6029, 6047, 6079, 6089, 6101, 6113, 6131, 6143, 6197, 6247, 6257, 6269, 6287, 6299, 6311, 6317, 6329, 6337, 6359, 6421, 6427, 6449, 6481, 6491, 6521, 6551, 6569, 6581, 6607, 6619, 6637, 6659, 6661, 6689, 6701, 6709, 6737, 6761, 6779, 6791, 6803, 6827, 6833, 6841, 6863, 6869, 6899, 6911, 6947, 6959, 6971, 6977, 6997, 7001, 7039, 7043, 7069, 7079, 7109, 7121, 7127, 7129, 7151, 7177, 7193, 7211, 7229, 7247, 7253, 7307, 7309, 7321, 7331, 7349, 7417, 7433, 7451, 7457, 7481, 7487, 7499, 7507, 7517, 7529, 7541, 7547, 7559, 7561, 7589, 7591, 7607, 7649, 7669, 7727, 7757, 7793, 7817, 7829, 7853, 7877, 7901, 7907, 7919, 7937, 7949, 8009, 8011, 8059, 8069, 8081, 8087, 8093, 8117, 8147, 8171, 8191, 8219, 8221, 8231, 8291, 8297, 8329, 8369, 8387, 8389, 8429, 8501, 8527, 8537, 8543, 8581, 8597, 8609, 8627, 8663, 8681, 8689, 8707, 8741, 8747, 8779, 8807, 8819, 8837, 8849, 8861, 8887, 8933, 8951, 8969, 8999, 9001, 9011, 9029, 9041, 9067, 9109, 9181, 9199, 9209, 9221, 9227, 9239, 9257, 9281, 9311, 9341, 9377, 9419, 9431, 9437, 9461, 9467, 9479, 9491, 9521, 9533, 9551, 9587, 9629, 9649, 9661, 9677, 9689, 9719, 9743, 9767, 9769, 9791, 9811, 9839, 9851, 9857, 9901, 9929, 9941, 9967, 10007, 10037, 10039, 10061, 10067, 10079, 10091, 10111, 10133, 10139, 10169, 10181, 10193, 10211, 10247, 10259, 10271, 10289, 10301, 10313, 10331, 10343, 10369, 10391, 10399, 10427, 10433, 10457, 10487, 10499, 10529, 10531, 10559, 10597, 10601, 10607, 10639, 10667, 10709, 10711, 10739, 10781, 10799, 10837, 10847, 10859, 10867, 10889, 10891, 10909, 10937, 10949, 10979, 11027, 11057, 11069, 11071, 11087, 11117, 11159, 11171, 11177, 11197, 11213, 11261, 11279, 11299, 11351, 11369, 11399, 11411, 11447, 11467, 11483, 11489, 11497, 11519, 11549, 11551, 11579, 11587, 11597, 11621, 11657, 11681, 11699, 11717, 11719, 11731, 11777, 11783, 11789, 11827, 11831, 11839, 11897, 11903, 11909, 11927, 11939, 11969, 11981, 11987, 12007, 12011, 12037, 12041, 12071, 12107, 12113, 12149, 12161, 12197, 12203, 12227, 12239, 12251, 12269, 12277, 12281, 12347, 12377, 12379, 12401, 12437, 12457, 12479, 12497, 12539, 12569, 12601, 12611, 12641, 12653, 12659, 12713, 12721, 12743, 12757, 12781, 12791, 12809, 12821, 12889, 12893, 12911, 12917, 12953, 12959, 12979, 13001, 13007, 13009, 13043, 13049, 13103, 13109, 13121, 13127, 13151, 13163, 13171, 13217, 13229, 13259, 13267, 13313, 13331, 13337, 13339, 13367, 13397, 13421, 13441, 13451, 13457, 13463, 13469, 13477, 13499, 13537, 13553, 13567, 13577, 13619, 13679, 13681, 13691, 13709, 13721, 13751, 13757, 13763, 13789, 13799, 13807, 13829, 13841, 13859, 13877, 13883, 13901, 13907, 13931, 13967, 13997, 14009, 14057, 14071, 14081, 14087, 14107, 14177, 14197, 14207, 14249, 14251, 14303, 14321, 14347, 14369, 14387, 14401, 14437, 14447, 14449, 14489, 14519, 14543, 14549, 14561, 14591, 14621, 14627, 14629, 14633, 14657, 14669, 14699, 14717, 14741, 14759, 14783, 14797, 14813, 14827, 14843, 14851, 14867, 14869, 14879, 14891, 14897, 14939, 14951, 14957, 14969, 15017, 15031, 15053, 15061, 15077, 15101, 15107, 15131, 15137, 15149, 15161, 15227, 15241, 15259, 15269, 15287, 15319, 15329, 15359, 15401, 15413, 15439, 15443, 15467, 15497, 15511, 15527, 15551, 15569, 15581, 15641, 15647, 15671, 15679, 15683, 15731, 15737, 15749, 15761, 15767, 15791, 15809, 15817, 15881, 15887, 15889, 15907, 15959, 15971, 16001, 16007, 16061, 16067, 16097, 16103, 16127, 16139, 16141, 16187, 16229, 16249, 16253, 16319, 16349, 16361, 16411, 16421, 16427, 16447, 16451, 16481, 16487, 16493, 16519, 16529, 16561, 16607, 16619, 16631, 16649, 16661, 16691, 16741, 16787, 16829, 16871, 16901, 16921, 16937, 16943, 16979, 17021, 17027, 17033, 17047, 17077, 17159, 17189, 17207, 17209, 17231, 17291, 17321, 17333, 17387, 17401, 17417, 17419, 17471, 17489

Table#

 12345678910
1 - 102357111317192329
11 - 2031374147535967718389
21 - 30101107109113127131137139149157
31 - 40167179181191197199211227233239
41 - 50251257263269281293307311317337
51 - 60347353359379389401409419431443
61 - 70449461467479487491499503509521
71 - 80541557563569571577587599617631
81 - 90641647653659677683701719743751
91 - 100761769787797809811821827829839
101 - 110857863877881887911919937941947
111 - 12095397197798399110091019103110391049
121 - 1301061109110971109111711511163118711931201
131 - 1401217122912591277128312891291129713011319
141 - 1501327136113671381139914091427143914511459
151 - 1601471148114871499151115531559156715831601
161 - 1701607161916211637166716691697170917211733
171 - 1801759177717871801184718711877188919011907
181 - 1901913193119491979199720032017202720292039
191 - 2002069208120872099211121292141215321792207
201 - 2102213223722432251226722692281230923332339
211 - 2202351235723812389239324112417244124472459
221 - 2302467247725312543254925572579259126092621
231 - 2402647265726592687269927112719272927312741
241 - 2502777278928012837284328572861287928972909
251 - 2602927293929572963296929712999301130373041
261 - 2703061308330893119313731673181318731913203
271 - 2803221325132573259327132993307332933473359
281 - 2903371338934073413345734613467349135113527
291 - 3003539354135573559358135933637365936713677
301 - 3103691370937193761376737793797380338213847
311 - 3203851386338813889390739173919392939473989
321 - 3304001400740194049409140994127413341394157
331 - 3404211421742294241425942714283428942974337
341 - 3504339434943574391439744094421444144474451
351 - 3604481451745474567459146374643464946574679
361 - 3704703472147334787478947994801481748614871
371 - 3804889490949314937496749694987499950095021
381 - 3905039505150775087509951475153516751715189
391 - 4005197523152615279529753035309534753515381
401 - 4105387539954175431544154715477548355015507
411 - 4205519553155815639565156575669570157115737
421 - 4305741579158015807581358495851586758795897
431 - 4405903593959815987600760116029604760796089
441 - 4506101611361316143619762476257626962876299
451 - 4606311631763296337635964216427644964816491
461 - 4706521655165696581660766196637665966616689
471 - 4806701670967376761677967916803682768336841
481 - 4906863686968996911694769596971697769977001
491 - 5007039704370697079710971217127712971517177
501 - 5107193721172297247725373077309732173317349
511 - 5207417743374517457748174877499750775177529
521 - 5307541754775597561758975917607764976697727
531 - 5407757779378177829785378777901790779197937
541 - 5507949800980118059806980818087809381178147
551 - 5608171819182198221823182918297832983698387
561 - 5708389842985018527853785438581859786098627
571 - 5808663868186898707874187478779880788198837
581 - 5908849886188878933895189698999900190119029
591 - 6009041906791099181919992099221922792399257
601 - 6109281931193419377941994319437946194679479
611 - 6209491952195339551958796299649966196779689
621 - 6309719974397679769979198119839985198579901
631 - 64099299941996710007100371003910061100671007910091
641 - 65010111101331013910169101811019310211102471025910271
651 - 66010289103011031310331103431036910391103991042710433
661 - 67010457104871049910529105311055910597106011060710639
671 - 68010667107091071110739107811079910837108471085910867
681 - 69010889108911090910937109491097911027110571106911071
691 - 70011087111171115911171111771119711213112611127911299
701 - 71011351113691139911411114471146711483114891149711519
711 - 72011549115511157911587115971162111657116811169911717
721 - 73011719117311177711783117891182711831118391189711903
731 - 74011909119271193911969119811198712007120111203712041
741 - 75012071121071211312149121611219712203122271223912251
751 - 76012269122771228112347123771237912401124371245712479
761 - 77012497125391256912601126111264112653126591271312721
771 - 78012743127571278112791128091282112889128931291112917
781 - 79012953129591297913001130071300913043130491310313109
791 - 80013121131271315113163131711321713229132591326713313
801 - 81013331133371333913367133971342113441134511345713463
811 - 82013469134771349913537135531356713577136191367913681
821 - 83013691137091372113751137571376313789137991380713829
831 - 84013841138591387713883139011390713931139671399714009
841 - 85014057140711408114087141071417714197142071424914251
851 - 86014303143211434714369143871440114437144471444914489
861 - 87014519145431454914561145911462114627146291463314657
871 - 88014669146991471714741147591478314797148131482714843
881 - 89014851148671486914879148911489714939149511495714969
891 - 90015017150311505315061150771510115107151311513715149
901 - 91015161152271524115259152691528715319153291535915401
911 - 92015413154391544315467154971551115527155511556915581
921 - 93015641156471567115679156831573115737157491576115767
931 - 94015791158091581715881158871588915907159591597116001
941 - 95016007160611606716097161031612716139161411618716229
951 - 96016249162531631916349163611641116421164271644716451
961 - 97016481164871649316519165291656116607166191663116649
971 - 98016661166911674116787168291687116901169211693716943
981 - 99016979170211702717033170471707717159171891720717209
991 - 100017231172911732117333173871740117417174191747117489
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