First numbers that belong to both sets:
3,
7,
13,
19,
23,
31,
43,
47,
61,
73,
83,
89,
103,
109,
113,
131,
139,
151,
167,
181,
193,
199,
229,
233,
241,
271,
283,
293,
313,
317,
337,
349,
353,
359,
383,
389,
401,
409,
421,
433,
443,
449,
463,
467,
491,
503,
509,
523,
547,
571,
577,
601,
619,
643,
647,
661,
677,
683,
691,
709,
743,
761,
773,
797,
811,
823,
829,
839,
859,
863,
883,
887,
911,
919,
941,
953,
971,
983,
997,
1013,
1021,
1033,
1039,
1051,
1063,
1069,
1093,
1097,
1109,
1129,
1153,
1171,
1193,
1201,
1217,
1231,
1237,
1259,
1279,
1283,
1291,
1303,
1307,
1321,
1327,
1373,
1381,
1409,
1429,
1433,
1439,
1453,
1459,
1483,
1489,
1493,
1499,
1531,
1553,
1559,
1571,
1583,
1601,
1609,
1613,
1621,
1627,
1637,
1669,
1699,
1709,
1723,
1759,
1789,
1811,
1831,
1873,
1879,
1889,
1913,
1933,
1951,
1979,
1999,
2003,
2017,
2029,
2039,
2069,
2083,
2089,
2099,
2113,
2131,
2143,
2161,
2179,
2207,
2213,
2221,
2239,
2243,
2251,
2269,
2273,
2297,
2311,
2341,
2351,
2357,
2383,
2393,
2399,
2423,
2441,
2447,
2477,
2543,
2551,
2557,
2593,
2621,
2633,
2659,
2663,
2689,
2693,
2699,
2713,
2719,
2731,
2753,
2777,
2791,
2803,
2837,
2843,
2861,
2887,
2909,
2917,
2927,
2939,
2957,
2971,
3001,
3023,
3041,
3049,
3067,
3083,
3089,
3121,
3137,
3169,
3191,
3209,
3221,
3229,
3253,
3259,
3271,
3301,
3323,
3331,
3347,
3361,
3373,
3391,
3413,
3463,
3469,
3499,
3517,
3529,
3533,
3541,
3547,
3559,
3583,
3593,
3617,
3623,
3643,
3673,
3677,
3701,
3709,
3739,
3769,
3779,
3797,
3803,
3823,
3833,
3853,
3863,
3881,
3889,
3911,
3919,
3923,
3931,
3947,
3967,
4003,
4007,
4021,
4027,
4051,
4057,
4079,
4093,
4099,
4111,
4129,
4133,
4139,
4159,
4177.
Some larger examples :
19999127,
19999159,
19999223,
19999253,
19999261,
19999307,
19999339,
19999379,
19999387,
19999423,
19999439,
19999481,
19999549,
19999583,
19999663,
19999739,
19999843,
19999897,
19999909,
19999927.