什麼是質因數分解法?
回答 (2)
2011-09-01 2:38 pm
✔ 最佳答案
1. 54 = 2 x 3 x 3 x 3 2. 78 = 2 x 3 x 13
3. 126 = 2 x 3 x 3 x 7
4. 287 = 7 x 41
2, 3, 7, 13 and 41 are all prime numbers(質數) and they are the factors(因數) of the required numbers.
2011-09-01 06:42:15 補充：
So the HCF of these 4 numbers is 1, LCM is 2 x 3 x 3 x 3 x 7 x 13 x 41 = 201474.
2011-09-04 5:37 pm
謝啦!
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收錄日期: 2021-04-25 22:40:22
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110831000051KK01151