属于这两组的第一个数字：
2,7,13,31,37,47,59,67,73,79,97,137,167,173,223,233,239,283,313,367,379,397,443,613,617,647,653,719,733,743,823,883,947,953,967,997,1367,1373,2113,2137,2339,2383,2647,2939,3119,3313,3373,3467,3547,3613,3617,3673,3733,3793,3853,3947,3967,4283,4373,4523,4643,5113,5167,5347,5647,5683,5743,6317,6337,6367,6373,6397,6547,6673,6947,6967,7331,7333,7393,7823,7853,7883,8167,8317,8467,8647,9137,9283,9337,9397,9467,9547,9613,9743,12347,12953,13967,16547,18443,21283,23167,23339,24547,24967,26113,26317,26947,27673,31379,32467,32647,32797,33347,33613,34283,34337,36353,36373,36653,36997,37339,37643,38317,39397,42467,42797,42953,43313,43613,43853,45197,45953,48353,48647,49547,51283,51613,56113,56197,56983,57283,57853,59393,59399,59743,61223,61283,61613,62467,62617,62683,63467,63617,63823,63853,64283,64937,65647,66337,66653,67883,68443,69337,72383,72617,72797,73643,73939,75683,76367,76673,78167,78467,81283,83617,84673,84967,86353,91823,91997,92383,92467,92647,93967,94547,96823,96997,98317,99643,121523,132647,133967,139397,162683,163853,181283,184523,184967,187547,192347,192383,195443,196337,213613,215443,231223,233617,233993,234673,236653,236947,239933,242797,243613,261223,264283,266947,272383,273613,275167,276673,276883,279337,291367,291373,296353,299137,318443,326113,326947,327673,327823,332467,338167,343313,345953,348353,357283,362137,362347,363313,364373,366173,367547,368443,373379,373393,375743,378167,378317,384673,387853,391823,392347,392383,396997,397283,397547,398467,399173,399643,424547,427883,432797,433967,439883,453617,454547,459467,462467,463313,466373,481373,492467,493967,496997,498467,516673,516883,536947. 一些较大的示例：
962366173,966139883,973276883,973398467,973564937,973837853,973924337,975181283,975667547,978397283,979956113,979986113,983724967,984563467,984966373,994297523,996399137,998966653,999818353,999962683.