1. Primes by type
  2. Twin primes
  3. Up to 19703

Twin primes up to 19703

Twin primes: If {p, p + 2} are primes then it becomes a prime twin.

There is 337 twin primes smaller than 19703.

Checkout twin primes up to: 100, 500, 1000, 10000.

List#

{3, 5}, {5, 7}, {11, 13}, {17, 19}, {29, 31}, {41, 43}, {59, 61}, {71, 73}, {101, 103}, {107, 109}, {137, 139}, {149, 151}, {179, 181}, {191, 193}, {197, 199}, {227, 229}, {239, 241}, {269, 271}, {281, 283}, {311, 313}, {347, 349}, {419, 421}, {431, 433}, {461, 463}, {521, 523}, {569, 571}, {599, 601}, {617, 619}, {641, 643}, {659, 661}, {809, 811}, {821, 823}, {827, 829}, {857, 859}, {881, 883}, {1019, 1021}, {1031, 1033}, {1049, 1051}, {1061, 1063}, {1091, 1093}, {1151, 1153}, {1229, 1231}, {1277, 1279}, {1289, 1291}, {1301, 1303}, {1319, 1321}, {1427, 1429}, {1451, 1453}, {1481, 1483}, {1487, 1489}, {1607, 1609}, {1619, 1621}, {1667, 1669}, {1697, 1699}, {1721, 1723}, {1787, 1789}, {1871, 1873}, {1877, 1879}, {1931, 1933}, {1949, 1951}, {1997, 1999}, {2027, 2029}, {2081, 2083}, {2087, 2089}, {2111, 2113}, {2129, 2131}, {2141, 2143}, {2237, 2239}, {2267, 2269}, {2309, 2311}, {2339, 2341}, {2381, 2383}, {2549, 2551}, {2591, 2593}, {2657, 2659}, {2687, 2689}, {2711, 2713}, {2729, 2731}, {2789, 2791}, {2801, 2803}, {2969, 2971}, {2999, 3001}, {3119, 3121}, {3167, 3169}, {3251, 3253}, {3257, 3259}, {3299, 3301}, {3329, 3331}, {3359, 3361}, {3371, 3373}, {3389, 3391}, {3461, 3463}, {3467, 3469}, {3527, 3529}, {3539, 3541}, {3557, 3559}, {3581, 3583}, {3671, 3673}, {3767, 3769}, {3821, 3823}, {3851, 3853}, {3917, 3919}, {3929, 3931}, {4001, 4003}, {4019, 4021}, {4049, 4051}, {4091, 4093}, {4127, 4129}, {4157, 4159}, {4217, 4219}, {4229, 4231}, {4241, 4243}, {4259, 4261}, {4271, 4273}, {4337, 4339}, {4421, 4423}, {4481, 4483}, {4517, 4519}, {4547, 4549}, {4637, 4639}, {4649, 4651}, {4721, 4723}, {4787, 4789}, {4799, 4801}, {4931, 4933}, {4967, 4969}, {5009, 5011}, {5021, 5023}, {5099, 5101}, {5231, 5233}, {5279, 5281}, {5417, 5419}, {5441, 5443}, {5477, 5479}, {5501, 5503}, {5519, 5521}, {5639, 5641}, {5651, 5653}, {5657, 5659}, {5741, 5743}, {5849, 5851}, {5867, 5869}, {5879, 5881}, {6089, 6091}, {6131, 6133}, {6197, 6199}, {6269, 6271}, {6299, 6301}, {6359, 6361}, {6449, 6451}, {6551, 6553}, {6569, 6571}, {6659, 6661}, {6689, 6691}, {6701, 6703}, {6761, 6763}, {6779, 6781}, {6791, 6793}, {6827, 6829}, {6869, 6871}, {6947, 6949}, {6959, 6961}, {7127, 7129}, {7211, 7213}, {7307, 7309}, {7331, 7333}, {7349, 7351}, {7457, 7459}, {7487, 7489}, {7547, 7549}, {7559, 7561}, {7589, 7591}, {7757, 7759}, {7877, 7879}, {7949, 7951}, {8009, 8011}, {8087, 8089}, {8219, 8221}, {8231, 8233}, {8291, 8293}, {8387, 8389}, {8429, 8431}, {8537, 8539}, {8597, 8599}, {8627, 8629}, {8819, 8821}, {8837, 8839}, {8861, 8863}, {8969, 8971}, {8999, 9001}, {9011, 9013}, {9041, 9043}, {9239, 9241}, {9281, 9283}, {9341, 9343}, {9419, 9421}, {9431, 9433}, {9437, 9439}, {9461, 9463}, {9629, 9631}, {9677, 9679}, {9719, 9721}, {9767, 9769}, {9857, 9859}, {9929, 9931}, {10007, 10009}, {10037, 10039}, {10067, 10069}, {10091, 10093}, {10139, 10141}, {10271, 10273}, {10301, 10303}, {10331, 10333}, {10427, 10429}, {10457, 10459}, {10499, 10501}, {10529, 10531}, {10709, 10711}, {10859, 10861}, {10889, 10891}, {10937, 10939}, {11057, 11059}, {11069, 11071}, {11117, 11119}, {11159, 11161}, {11171, 11173}, {11351, 11353}, {11489, 11491}, {11549, 11551}, {11699, 11701}, {11717, 11719}, {11777, 11779}, {11831, 11833}, {11939, 11941}, {11969, 11971}, {12041, 12043}, {12071, 12073}, {12107, 12109}, {12161, 12163}, {12239, 12241}, {12251, 12253}, {12377, 12379}, {12539, 12541}, {12611, 12613}, {12821, 12823}, {12917, 12919}, {13001, 13003}, {13007, 13009}, {13217, 13219}, {13337, 13339}, {13397, 13399}, {13679, 13681}, {13691, 13693}, {13709, 13711}, {13721, 13723}, {13757, 13759}, {13829, 13831}, {13877, 13879}, {13901, 13903}, {13931, 13933}, {13997, 13999}, {14009, 14011}, {14081, 14083}, {14249, 14251}, {14321, 14323}, {14387, 14389}, {14447, 14449}, {14549, 14551}, {14561, 14563}, {14591, 14593}, {14627, 14629}, {14867, 14869}, {15137, 15139}, {15269, 15271}, {15287, 15289}, {15329, 15331}, {15359, 15361}, {15581, 15583}, {15641, 15643}, {15647, 15649}, {15731, 15733}, {15737, 15739}, {15887, 15889}, {15971, 15973}, {16061, 16063}, {16067, 16069}, {16139, 16141}, {16187, 16189}, {16229, 16231}, {16361, 16363}, {16451, 16453}, {16631, 16633}, {16649, 16651}, {16691, 16693}, {16829, 16831}, {16901, 16903}, {16979, 16981}, {17027, 17029}, {17189, 17191}, {17207, 17209}, {17291, 17293}, {17387, 17389}, {17417, 17419}, {17489, 17491}, {17579, 17581}, {17597, 17599}, {17657, 17659}, {17681, 17683}, {17747, 17749}, {17789, 17791}, {17837, 17839}, {17909, 17911}, {17921, 17923}, {17957, 17959}, {17987, 17989}, {18041, 18043}, {18047, 18049}, {18059, 18061}, {18119, 18121}, {18131, 18133}, {18251, 18253}, {18287, 18289}, {18311, 18313}, {18521, 18523}, {18539, 18541}, {18911, 18913}, {18917, 18919}, {19079, 19081}, {19139, 19141}, {19181, 19183}, {19211, 19213}, {19379, 19381}, {19421, 19423}, {19427, 19429}, {19469, 19471}, {19541, 19543}, {19697, 19699}

Table#

 12345678910
1 - 10 {3, 5} {5, 7} {11, 13} {17, 19} {29, 31} {41, 43} {59, 61} {71, 73} {101, 103} {107, 109}
11 - 20 {137, 139} {149, 151} {179, 181} {191, 193} {197, 199} {227, 229} {239, 241} {269, 271} {281, 283} {311, 313}
21 - 30 {347, 349} {419, 421} {431, 433} {461, 463} {521, 523} {569, 571} {599, 601} {617, 619} {641, 643} {659, 661}
31 - 40 {809, 811} {821, 823} {827, 829} {857, 859} {881, 883} {1019, 1021} {1031, 1033} {1049, 1051} {1061, 1063} {1091, 1093}
41 - 50 {1151, 1153} {1229, 1231} {1277, 1279} {1289, 1291} {1301, 1303} {1319, 1321} {1427, 1429} {1451, 1453} {1481, 1483} {1487, 1489}
51 - 60 {1607, 1609} {1619, 1621} {1667, 1669} {1697, 1699} {1721, 1723} {1787, 1789} {1871, 1873} {1877, 1879} {1931, 1933} {1949, 1951}
61 - 70 {1997, 1999} {2027, 2029} {2081, 2083} {2087, 2089} {2111, 2113} {2129, 2131} {2141, 2143} {2237, 2239} {2267, 2269} {2309, 2311}
71 - 80 {2339, 2341} {2381, 2383} {2549, 2551} {2591, 2593} {2657, 2659} {2687, 2689} {2711, 2713} {2729, 2731} {2789, 2791} {2801, 2803}
81 - 90 {2969, 2971} {2999, 3001} {3119, 3121} {3167, 3169} {3251, 3253} {3257, 3259} {3299, 3301} {3329, 3331} {3359, 3361} {3371, 3373}
91 - 100 {3389, 3391} {3461, 3463} {3467, 3469} {3527, 3529} {3539, 3541} {3557, 3559} {3581, 3583} {3671, 3673} {3767, 3769} {3821, 3823}
101 - 110 {3851, 3853} {3917, 3919} {3929, 3931} {4001, 4003} {4019, 4021} {4049, 4051} {4091, 4093} {4127, 4129} {4157, 4159} {4217, 4219}
111 - 120 {4229, 4231} {4241, 4243} {4259, 4261} {4271, 4273} {4337, 4339} {4421, 4423} {4481, 4483} {4517, 4519} {4547, 4549} {4637, 4639}
121 - 130 {4649, 4651} {4721, 4723} {4787, 4789} {4799, 4801} {4931, 4933} {4967, 4969} {5009, 5011} {5021, 5023} {5099, 5101} {5231, 5233}
131 - 140 {5279, 5281} {5417, 5419} {5441, 5443} {5477, 5479} {5501, 5503} {5519, 5521} {5639, 5641} {5651, 5653} {5657, 5659} {5741, 5743}
141 - 150 {5849, 5851} {5867, 5869} {5879, 5881} {6089, 6091} {6131, 6133} {6197, 6199} {6269, 6271} {6299, 6301} {6359, 6361} {6449, 6451}
151 - 160 {6551, 6553} {6569, 6571} {6659, 6661} {6689, 6691} {6701, 6703} {6761, 6763} {6779, 6781} {6791, 6793} {6827, 6829} {6869, 6871}
161 - 170 {6947, 6949} {6959, 6961} {7127, 7129} {7211, 7213} {7307, 7309} {7331, 7333} {7349, 7351} {7457, 7459} {7487, 7489} {7547, 7549}
171 - 180 {7559, 7561} {7589, 7591} {7757, 7759} {7877, 7879} {7949, 7951} {8009, 8011} {8087, 8089} {8219, 8221} {8231, 8233} {8291, 8293}
181 - 190 {8387, 8389} {8429, 8431} {8537, 8539} {8597, 8599} {8627, 8629} {8819, 8821} {8837, 8839} {8861, 8863} {8969, 8971} {8999, 9001}
191 - 200 {9011, 9013} {9041, 9043} {9239, 9241} {9281, 9283} {9341, 9343} {9419, 9421} {9431, 9433} {9437, 9439} {9461, 9463} {9629, 9631}
201 - 210 {9677, 9679} {9719, 9721} {9767, 9769} {9857, 9859} {9929, 9931} {10007, 10009} {10037, 10039} {10067, 10069} {10091, 10093} {10139, 10141}
211 - 220 {10271, 10273} {10301, 10303} {10331, 10333} {10427, 10429} {10457, 10459} {10499, 10501} {10529, 10531} {10709, 10711} {10859, 10861} {10889, 10891}
221 - 230 {10937, 10939} {11057, 11059} {11069, 11071} {11117, 11119} {11159, 11161} {11171, 11173} {11351, 11353} {11489, 11491} {11549, 11551} {11699, 11701}
231 - 240 {11717, 11719} {11777, 11779} {11831, 11833} {11939, 11941} {11969, 11971} {12041, 12043} {12071, 12073} {12107, 12109} {12161, 12163} {12239, 12241}
241 - 250 {12251, 12253} {12377, 12379} {12539, 12541} {12611, 12613} {12821, 12823} {12917, 12919} {13001, 13003} {13007, 13009} {13217, 13219} {13337, 13339}
251 - 260 {13397, 13399} {13679, 13681} {13691, 13693} {13709, 13711} {13721, 13723} {13757, 13759} {13829, 13831} {13877, 13879} {13901, 13903} {13931, 13933}
261 - 270 {13997, 13999} {14009, 14011} {14081, 14083} {14249, 14251} {14321, 14323} {14387, 14389} {14447, 14449} {14549, 14551} {14561, 14563} {14591, 14593}
271 - 280 {14627, 14629} {14867, 14869} {15137, 15139} {15269, 15271} {15287, 15289} {15329, 15331} {15359, 15361} {15581, 15583} {15641, 15643} {15647, 15649}
281 - 290 {15731, 15733} {15737, 15739} {15887, 15889} {15971, 15973} {16061, 16063} {16067, 16069} {16139, 16141} {16187, 16189} {16229, 16231} {16361, 16363}
291 - 300 {16451, 16453} {16631, 16633} {16649, 16651} {16691, 16693} {16829, 16831} {16901, 16903} {16979, 16981} {17027, 17029} {17189, 17191} {17207, 17209}
301 - 310 {17291, 17293} {17387, 17389} {17417, 17419} {17489, 17491} {17579, 17581} {17597, 17599} {17657, 17659} {17681, 17683} {17747, 17749} {17789, 17791}
311 - 320 {17837, 17839} {17909, 17911} {17921, 17923} {17957, 17959} {17987, 17989} {18041, 18043} {18047, 18049} {18059, 18061} {18119, 18121} {18131, 18133}
321 - 330 {18251, 18253} {18287, 18289} {18311, 18313} {18521, 18523} {18539, 18541} {18911, 18913} {18917, 18919} {19079, 19081} {19139, 19141} {19181, 19183}
331 - 340 {19211, 19213} {19379, 19381} {19421, 19423} {19427, 19429} {19469, 19471} {19541, 19543} {19697, 19699}   
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