The multiples:
12: 12,24,36,48,60,72,84,96,108,120,132,144,156,168,180,192,204,216,228
7: 7,14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119,126,133,140,147
5: 5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100,105,110
18: 18,36,54,72,90,108,126,144,162,180,198,216,234,252,270,288,306,324
14: 14,28,42,56,70,84,98,112,126,140,154,168,182,196,210,224,238,252
8: 8,16,24,32,40,48,56,64,72,80,88,96,104,112,120,128,136,144,152,160
Hope this helps! :-)