【用戶】Chen Chen
【年級】大三下
【評論內容】連續執行「圈出某質數 A，除去該質數 A 的倍數」動作1不是質數1.首先先圈出2,刪掉2的倍數剩下:1,3,5,7,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,992.再圈出3,刪掉3的倍數剩下:1,3,5,7,11,13,17,19,23,25,29,31,35,37,41,43,47,49,53,55,59,61,65,67,71,73,77,79,83,85,89,91,95,973.再圈出5,刪掉5的倍數剩下:1,3,5,7,11,13,17,19,23,29,31,37,41,43,47,49,53,59,61,67,71,73,77,79,83,89,91,974.再圈出7,刪掉7的倍數剩下:1,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,975.剩下的數為質數,沒有倍數可以刪除,所以最後一個...
【用戶】Chen Chen
【年級】大三下
【評論內容】連續執行「圈出某質數 A，除去該質數 A 的倍數」動作1不是質數1.首先先圈出2,刪掉2的倍數剩下:1,3,5,7,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,992.再圈出3,刪掉3的倍數剩下:1,3,5,7,11,13,17,19,23,25,29,31,35,37,41,43,47,49,53,55,59,61,65,67,71,73,77,79,83,85,89,91,95,973.再圈出5,刪掉5的倍數剩下:1,3,5,7,11,13,17,19,23,29,31,37,41,43,47,49,53,59,61,67,71,73,77,79,83,89,91,974.再圈出7,刪掉7的倍數剩下:1,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,975.剩下的數為質數,沒有倍數可以刪除,所以最後一個...