First numbers that belong to both sets:
1,
3,
7,
13,
15,
31,
33,
37,
43,
51,
67,
69,
73,
79,
87,
115,
127,
133,
141,
151,
159,
163,
193,
211,
223,
235,
241,
259,
267,
283,
303,
307,
319,
321,
331,
339,
349,
367,
391,
393,
409,
415,
421,
427,
433,
451,
463,
487,
511,
517,
519,
535,
537,
541,
553,
559,
577,
583,
591,
601,
613,
619,
631,
643,
673,
679,
685,
699,
717,
727,
739,
745,
769,
781,
787,
805,
823,
883,
885,
895,
933,
937,
957,
991,
997,
1009,
1021,
1039,
1041,
1057,
1087,
1093,
1105,
1117,
1123,
1147,
1167,
1189,
1201,
1203,
1219,
1231,
1245,
1249,
1261,
1285,
1291,
1303,
1309,
1329,
1339,
1357,
1387,
1401,
1417,
1441,
1459,
1471,
1473,
1495,
1501,
1543,
1563,
1567,
1579,
1585,
1597,
1639,
1645,
1663,
1693,
1723,
1749,
1765,
1777,
1797,
1801,
1819,
1831,
1879,
1915,
1921,
1923,
1933,
1941,
1945,
1959,
1963,
1977,
1987,
2001,
2031,
2053,
2059,
2065,
2083,
2095,
2113,
2173,
2215,
2221,
2239,
2251,
2257,
2281,
2283,
2311,
2317,
2323,
2335,
2343,
2395,
2407,
2419,
2427,
2461,
2467,
2473,
2479,
2491,
2505,
2545,
2557,
2563,
2571,
2587,
2589,
2593,
2599,
2647,
2661,
2671,
2689,
2755,
2773,
2785,
2787,
2797,
2815,
2821,
2823,
2827,
2841,
2845,
2851,
2887,
2899,
2905,
2913,
2923,
2953,
2971,
2977,
2983,
3007,
3031,
3037,
3039,
3049,
3055,
3073,
3091,
3097,
3109,
3121,
3133,
3163,
3183,
3187,
3199,
3223,
3229,
3235,
3259,
3301,
3307,
3313,
3405,
3409,
3427,
3433,
3439,
3453,
3487,
3489,
3495,
3499,
3559,
3571,
3579,
3595,
3607,
3613,
3621,
3655,
3661,
3669,
3687,
3697,
3709,
3727,
3763,
3781,
3793,
3811,
3847,
3849,
3865,
3889,
3931,
3943,
3991,
4003,
4033,
4035,
4045,
4081,
4129,
4189,
4195.
Some larger examples :
9999397,
9999427,
9999439,
9999487,
9999511,
9999517,
9999519,
9999541,
9999553,
9999643,
9999655,
9999699,
9999721,
9999739,
9999763,
9999771,
9999811,
9999823,
9999835,
9999997.