least digit that will make the resulting number divisible by 6. Pa help po para sa pamangkin q po

Answer:
8,124 ÷ 6 = 1,354
8,424 ÷ 6 = 1,404
8,724 ÷ 6 = 1,454
6,420 ÷ 6 = 1,070
6,426 ÷ 6 = 1,071
7,320 ÷ 6 = 1,220
7,350 ÷ 6 = 1,225
7,380 ÷ 6 = 1,230
9,120 ÷ 6 = 1,520
9,126 ÷ 6 = 1,521
7,248 ÷ 6 = 1,208
7,548 ÷ 6 = 1,258
7,848 ÷ 6 = 1,308