First numbers that belong to both sets:
3,
5,
7,
11,
13,
17,
19,
29,
31,
41,
43,
59,
61,
71,
73,
101,
103,
107,
109,
137,
139,
149,
151,
179,
181,
191,
193,
197,
199,
227,
229,
239,
241,
269,
271,
281,
283,
311,
313,
347,
349,
419,
421,
431,
433,
461,
463,
521,
523,
569,
571,
599,
601,
617,
619,
641,
643,
659,
661,
809,
811,
821,
823,
827,
829,
857,
859,
881,
883,
1019,
1021,
1031,
1033,
1049,
1051,
1061,
1063,
1091,
1093,
1151,
1153,
1229,
1231,
1277,
1279,
1289,
1291,
1301,
1303,
1319,
1321,
1427,
1429,
1451,
1453,
1481,
1483,
1487,
1489,
1607,
1609,
1619,
1621,
1667,
1669,
1697,
1699,
1721,
1723,
1787,
1789,
1871,
1873,
1877,
1879,
1931,
1933,
1949,
1951,
1997,
1999,
2027,
2029,
2081,
2083,
2087,
2089,
2111,
2113,
2129,
2131,
2141,
2143,
2237,
2239,
2267,
2269,
2309,
2311,
2339,
2341,
2381,
2383,
2549,
2551,
2591,
2593,
2657,
2659,
2687,
2689,
2711,
2713,
2729,
2731,
2789,
2791,
2801,
2803,
2969,
2971,
2999,
3001,
3119,
3121,
3167,
3169,
3251,
3253,
3257,
3259,
3299,
3301,
3329,
3331,
3359,
3361,
3371,
3373,
3389,
3391,
3461,
3463,
3467,
3469,
3527,
3529,
3539,
3541,
3557,
3559,
3581,
3583,
3671,
3673,
3767,
3769,
3821,
3823,
3851,
3853,
3917,
3919,
3929,
3931,
4001,
4003,
4019,
4021,
4049,
4051,
4091,
4093,
4127,
4129,
4157,
4159,
4217,
4219,
4229,
4231,
4241,
4243,
4259,
4261,
4271,
4273,
4337,
4339,
4421,
4423,
4481,
4483,
4517,
4519,
4547,
4549,
4637,
4639,
4649,
4651,
4721,
4723,
4787,
4789,
4799,
4801,
4931,
4933,
4967,
4969,
5009,
5011,
5021,
5023,
5099,
5101,
5231,
5233,
5279,
5281,
5417,
5419,
5441,
5443,
5477,
5479,
5501,
5503,
5519,
5521,
5639,
5641,
5651,
5653,
5657,
5659,
5741,
5743,
5849.
Some larger examples :
19997711,
19997713,
19997867,
19997869,
19998029,
19998031,
19998149,
19998151,
19998161,
19998163,
19998479,
19998481,
19998551,
19998553,
19998677,
19998679,
19998989,
19998991,
19999547,
19999549.