First numbers that belong to both sets:
12,
18,
20,
24,
30,
36,
40,
48,
54,
60,
66,
72,
78,
80,
90,
96,
102,
108,
114,
120,
126,
132,
144,
150,
156,
160,
180,
192,
198,
204,
210,
216,
222,
228,
240,
246,
252,
258,
260,
264,
270,
272,
282,
288,
294,
300,
306,
308,
312,
318,
320,
330,
340,
350,
354,
360,
366,
368,
378,
380,
384,
390,
396,
402,
408,
414,
420,
432,
438,
444,
450,
456,
462,
464,
474,
476,
480,
486,
490,
492,
498,
500,
504,
510,
516,
520,
528,
534,
540,
544,
550,
564,
576,
582,
588,
594,
600,
606,
612,
616,
624,
630,
636,
640,
650,
660,
680,
700,
708,
720,
726,
732,
736,
748,
756,
760,
768,
774,
780,
786,
792,
798,
804,
816,
822,
828,
834,
836,
840,
846,
858,
860,
864,
870,
876,
882,
888,
894,
900,
910,
912,
918,
924,
928,
940,
945,
948,
952,
960,
966,
972,
978,
980,
984,
990,
996,
1000,
1008,
1014,
1020,
1026,
1032,
1038,
1040,
1050,
1056,
1062,
1068,
1074,
1080,
1086,
1088,
1098,
1100,
1122,
1128,
1134,
1146,
1148,
1152,
1158,
1164,
1170,
1176,
1182,
1188,
1200,
1206,
1212,
1218,
1220,
1224,
1230,
1232,
1242,
1248,
1254,
1260,
1266,
1272,
1278,
1280,
1290,
1300,
1314,
1316,
1320,
1326,
1338,
1340,
1352,
1360,
1372,
1376,
1386,
1400,
1410,
1416,
1422,
1430,
1434,
1440,
1446,
1452,
1458,
1460,
1464,
1470,
1472,
1482,
1484,
1496,
1506,
1512,
1518,
1520,
1530,
1536,
1542,
1548,
1554,
1560,
1566,
1572,
1575,
1584,
1590,
1596,
1602,
1608,
1614,
1626,
1632,
1638,
1644,
1650,
1652,
1656,
1662,
1668,
1672,
1680,
1686,
1692,
1696,
1708,
1716,
1720,
1728,
1734,
1740,
1746,
1752,
1758,
1764,
1768,
1776,
1782,
1788,
1794.
Some larger examples :
49999800,
49999806,
49999818,
49999820,
49999842,
49999848,
49999854,
49999856,
49999866,
49999880,
49999900,
49999904,
49999914,
49999924,
49999928,
49999936,
49999956,
49999960,
49999976,
50000000.