First numbers that belong to both sets:
12,
18,
24,
36,
40,
56,
60,
72,
80,
84,
88,
96,
104,
108,
132,
156,
180,
204,
228,
240,
252,
276,
288,
348,
360,
372,
384,
396,
444,
448,
450,
468,
480,
492,
504,
516,
560,
564,
600,
612,
636,
640,
672,
684,
708,
720,
732,
792,
804,
828,
852,
864,
876,
880,
882,
896,
936,
948,
972,
996,
1040,
1044,
1056,
1068,
1116,
1152,
1164,
1176,
1200,
1212,
1224,
1236,
1248,
1260,
1284,
1308,
1332,
1344,
1356,
1360,
1368,
1408,
1440,
1476,
1520,
1524,
1548,
1572,
1620,
1632,
1644,
1656,
1664,
1668,
1680,
1692,
1788,
1800,
1812,
1824,
1840,
1884,
1908,
1920,
1944,
1956,
1980,
2000,
2004,
2016,
2076,
2088,
2124,
2148,
2160,
2172,
2176,
2178,
2196,
2208,
2232,
2240,
2292,
2316,
2320,
2340,
2364,
2388,
2412,
2432,
2480,
2532,
2556,
2560,
2628,
2640,
2664,
2676,
2688,
2700,
2724,
2748,
2772,
2784,
2796,
2844,
2868,
2892,
2904,
2944,
2952,
2960,
2976,
2988,
3012,
3042,
3060,
3084,
3096,
3120,
3156,
3168,
3204,
3228,
3240,
3252,
3276,
3280,
3324,
3360,
3372,
3384,
3396,
3420,
3440,
3456,
3492,
3516,
3528,
3552,
3600,
3636,
3684,
3708,
3712,
3732,
3744,
3756,
3760,
3804,
3816,
3852,
3924,
3936,
3968,
3972,
4032,
4044,
4050,
4056,
4068,
4080,
4128,
4140,
4164,
4188,
4224,
4236,
4240,
4248,
4284,
4308,
4320,
4392,
4404,
4476,
4480,
4500,
4512,
4548,
4560,
4572,
4596,
4668,
4716,
4720,
4736,
4764,
4788,
4812,
4824,
4860,
4880,
4896,
4908,
4928,
4932,
4992,
5000,
5004,
5028,
5040,
5052,
5088,
5112,
5148,
5172,
5196,
5202,
5220,
5248,
5256,
5268,
5280,
5292,
5316,
5360,
5364,
5388,
5436,
5472,
5484,
5504,
5520,
5532,
5556,
5580,
5604,
5652,
5664,
5680,
5688,
5748,
5760,
5796,
5824,
5840,
5844,
5856,
5868.
Some larger examples :
49999280,
49999284,
49999360,
49999392,
49999428,
49999440,
49999548,
49999584,
49999644,
49999692,
49999744,
49999760,
49999764,
49999776,
49999812,
49999872,
49999920,
49999932,
49999936,
49999968.