First numbers that belong to both sets:
5,
7,
13,
23,
29,
31,
37,
41,
47,
53,
71,
101,
109,
127,
137,
149,
157,
167,
181,
191,
197,
199,
239,
257,
263,
269,
293,
311,
317,
353,
359,
389,
431,
461,
479,
487,
503,
509,
541,
557,
599,
631,
647,
653,
677,
701,
719,
743,
751,
761,
797,
821,
829,
839,
863,
877,
887,
911,
919,
941,
983,
991,
1031,
1039,
1061,
1109,
1117,
1151,
1201,
1217,
1229,
1277,
1301,
1319,
1327,
1367,
1381,
1399,
1439,
1471,
1487,
1511,
1559,
1567,
1583,
1607,
1621,
1637,
1669,
1709,
1733,
1759,
1847,
1871,
1877,
1901,
1949,
1997,
2029,
2039,
2069,
2087,
2111,
2141,
2207,
2213,
2237,
2269,
2309,
2333,
2351,
2357,
2381,
2389,
2447,
2477,
2543,
2549,
2557,
2591,
2621,
2647,
2687,
2711,
2719,
2741,
2777,
2789,
2837,
2861,
2879,
2909,
2927,
2957,
2999,
3037,
3061,
3119,
3167,
3181,
3191,
3221,
3271,
3359,
3389,
3407,
3413,
3461,
3511,
3527,
3541,
3557,
3559,
3581,
3593,
3637,
3671,
3677,
3709,
3719,
3761,
3767,
3797,
3821,
3847,
3863,
3881,
3917,
3919,
3989,
4007,
4127,
4133,
4157,
4229,
4271,
4349,
4357,
4391,
4397,
4421,
4441,
4447,
4481,
4517,
4567,
4591,
4637,
4649,
4679,
4703,
4733,
4789,
4799,
4861,
4871,
4889,
4909,
4967,
4999,
5021,
5039,
5077,
5087,
5167,
5189,
5197,
5231,
5261,
5279,
5303,
5309,
5351,
5381,
5399,
5431,
5471,
5477,
5501,
5519,
5581,
5639,
5657,
5669,
5701,
5711,
5741,
5791,
5807,
5813,
5849,
5879,
5903,
5981,
6007,
6029,
6047,
6079,
6101,
6143,
6197,
6247,
6269,
6287,
6311,
6317,
6359,
6421,
6551,
6581,
6607,
6637,
6661,
6701,
6709,
6791,
6863,
6869,
6911,
6959,
6997,
7001,
7039,
7069,
7079,
7109,
7127,
7151,
7229,
7247,
7253,
7309,
7321,
7349,
7417,
7487,
7517,
7541,
7559,
7561.
Some larger examples :
9997997,
9998117,
9998141,
9998279,
9998309,
9998333,
9998381,
9998447,
9998479,
9998741,
9998797,
9998861,
9998887,
9999047,
9999167,
9999397,
9999677,
9999749,
9999901,
9999991.