✔ 最佳答案
54因數:1,2,3,6,9,18,27,54
144因數:1,2,3,4,6,8,9,12,16,18,24,36,48,72,144
so 54&144的公因數:1,2,3,9,18
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128的因數:1,2,4,8,16,32,64,128
2007-12-03 16:31:31 補充:
54因數 1x542x273x186x9144因數1x1442x723x484x366x248x189x1612x12
2007-12-03 16:33:35 補充:
128因數1x1282x644x328x16