属于这两组的第一个数字：
三,5,7,11,13,17,19,31,37,41,47,59,67,107,109,127,131,137,157,167,179,181,191,199,211,227,233,239,251,257,307,379,409,419,431,443,487,491,499,521,541,557,563,569,577,587,617,631,641,647,653,659,677,701,719,743,761,769,787,809,827,829,877,911,919,941,947,953,971,1009,1039,1109,1163,1187,1193,1201,1259,1291,1301,1327,1361,1367,1451,1459,1567,1583,1667,1669,1697,1709,1721,1777,1801,1877,1931,2017,2081,2087,2099,2111,2153,2207,2213,2237,2243,2267,2269,2339,2351,2411,2441,2447,2459,2477,2531,2579,2591,2609,2621,2647,2657,2711,2731,2741,2777,2789,2801,2843,2861,2957,2963,2969,3011,3041,3083,3119,3181,3187,3203,3251,3257,3271,3299,3371,3413,3457,3467,3491,3593,3637,3659,3719,3761,3779,3847,3851,3881,3889,3907,4001,4091,4099,4139,4259,4271,4283,4297,4339,4421,4643,4649,4657,4787,4789,4801,4909,4969,4999,5167,5189,5347,5381,5399,5441,5477,5737,5801,6079,6247,6287,6299,6311,6317,6329,6337,6427,6569,6659,6661,6689,6701,6709,6761,6791,6803,6833,6911,6947,7039,7043,7151,7177,7211,7253,7307,7309,7321,7331,7561,7817,7919,8059,8171,8191,8219,8221,8231,8291,8297,8369,8387,8389,8429,8527,8581,8609,8627,8681,8689,8741,8807,8819,8837,8849,8861,8933,8969,8999,9011,9109,9227,9257,9377,9419,9649,9743,9767,9811,9857,9929,10111,10247,10259,10271,10289,10301,10313,10331,10343,10391,10433,10457,10499,10529,10597,10601,10781,10837,10891,10949. 一些较大的示例：
9998033,9998099,9998117,9998141,9998201,9998279,9998309,9998321,9998447,9998699,9998797,9998969,9999047,9999161,9999167,9999419,9999901,9999929,9999971,9999991.