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四つ子素数とは、p,p+2,p+6,p+8が全て素数になるような(p,p+2,p+6,p+8)の組のことである。(5,7,11,13)以外の四つ子素数は全て1の位が(1,3,7,9)になるため、一組覚えれば一気に4個の素数を覚えることが出来るとして素数大富豪では重宝されている。

一覧編集

 {5, 7, 11, 13},               {11, 13, 17, 19},             {101, 103, 107, 109}, 
 {191, 193, 197, 199},         {821, 823, 827, 829},         {1481, 1483, 1487, 1489},
 {1871, 1873, 1877, 1879},     {2081, 2083, 2087, 2089},     {3251, 3253, 3257, 3259},
 {3461, 3463, 3467, 3469},     {5651, 5653, 5657, 5659},     {9431, 9433, 9437, 9439},
 {13001, 13003, 13007, 13009}, {15641, 15643, 15647, 15649}, {15731, 15733, 15737, 15739},
 {16061, 16063, 16067, 16069}, {18041, 18043, 18047, 18049}, {18911, 18913, 18917, 18919},
 {19421, 19423, 19427, 19429}, {21011, 21013, 21017, 21019}, {22271, 22273, 22277, 22279},
 {25301, 25303, 25307, 25309}, {31721, 31723, 31727, 31729}, {34841, 34843, 34847, 34849},
 {43781, 43783, 43787, 43789}, {51341, 51343, 51347, 51349}, {55331, 55333, 55337, 55339},
 {62981, 62983, 62987, 62989}, {67211, 67213, 67217, 67219}, {69491, 69493, 69497, 69499},
 {72221, 72223, 72227, 72229}, {77261, 77263, 77267, 77269}, {79691, 79693, 79697, 79699},
 {81041, 81043, 81047, 81049}, {82721, 82723, 82727, 82729}, {88811, 88813, 88817, 88819},
 {97841, 97843, 97847, 97849}, {99131, 99133, 99137, 99139},...