質問: what is a factor tree of 128 what is a factor tree of 128
回答: 128 2, 64 2, 2, 32 2, 2, 2, 16 2, 2, 2, 2, 8 2, 2, 2, 2, 2, 4 2, 2, 2, 2, 2, 2, 2