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수학동아 - 폴리매스
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[수학 정보] 최소공배수(기본편)
소(가 넘어가는)수 2021.07.13 00:00 조회 465
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

바로 본론으로 넘어가겠습니다.(아까 한번 날아가서 멘탈 바사삭)

2*35, 23*33*7의 최소공배수는 23*35*7입니다. 이 예를 보면 최소공배수 na*mb에서 a와 b는 각 수의 n과 m의 거듭제곱 수 중 가장 큰 수이다. 원리를 알고 싶은 사람이 많아진다면 그때 설명하고 지금은 그냥 이것만.... 말했다시피 제 몸이 싫어하네요. 정리를 하면 a>c, b>d 일 때, na*mb와 nc*md의 최소공배수는 nc*md라는 거죠.

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