maths ---10

2007-05-07 6:44 pm
What is the largest prime factor of 8091?

回答 (2)

2007-05-07 7:03 pm
✔ 最佳答案
8091 = 3(3)(29)(31)
therefore the largest prime factor is 31
2007-05-08 3:30 am
題目:What is the largest prime factor of 8091? (8091最大的質因數是甚麼?)

用短除法:
3|8091
3|2697
29|899
31|31
1

8091=3^2x29x31
3<29<31。31是最大的質因數。
參考: 自己的知識


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