數隨堂考:質因數分解-01
1. 168 = 2 x 2 x 2 x 2 x 3 x 7
2. 150 = 2 x 3 x 5 x 5
3. 2000 = 2 x 2 x 2 x 2 x 5 x 5 x 5
4. 2016 = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7
5. 80000 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 5 x 5
6. 27821418 = 2 x 3 x 17 x 272759
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參見:
[轉載/數學] 怎樣判斷一個數是不是質數?
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