\n \ucd5c\uc18c \uacf5\ubc30\uc218(Least Common Multiple, LCM)\ub780 \ub450 \uac1c\uccb4 \uc774\uc0c1\uc758 \uc815\uc218\uc758 \ubc30\uc218 \uc911\uc5d0\uc11c \uac00\uc7a5 \uc791\uc740 \uacf5\ud1b5 \ubc30\uc218\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \n \ub2e4\uc74c \ub450 \uc815\uc218\ub97c \uc785\ub825\ubc1b\uc544 \ucd5c\uc18c \uacf5\ubc30\uc218\ub97c \ubc18\ud658\ud558\ub294 \ud568\uc218\ub97c \uc791\uc131\ud558\uc138\uc694. \n\uc785\ub825:<\/strong><\/p>\n \ucd9c\ub825:<\/strong><\/p>\n \n\uc608\uc81c:<\/strong><\/p>\n \n \ucd5c\uc18c \uacf5\ubc30\uc218\ub97c \uad6c\ud558\ub294 \ubc29\ubc95\uc740 \uc5ec\ub7ec \uac00\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95 \uc911 \ud558\ub098\ub294 \ucd5c\ub300 \uacf5\uc57d\uc218(Greatest Common Divisor, GCD)<\/strong>\ub97c \uc774\uc6a9\ud55c \n \n \uc5ec\uae30\uc11c GCD\ub97c \uad6c\ud558\ub294 \ud6a8\uc728\uc801\uc778 \uc54c\uace0\ub9ac\uc998 \uc911 \ud558\ub098\ub294 \uc720\ud074\ub9ac\ub4dc \ud638\uc81c\ubc95\uc785\ub2c8\ub2e4. \n \uc774\uc81c \uc774\ub7ec\ud55c \ub17c\ub9ac\ub97c \ubc14\ud0d5\uc73c\ub85c \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\ub85c LCM\uc744 \uad6c\ud558\ub294 \ud568\uc218\ub97c \uad6c\ud604\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n<\/section>\n \n \uc704\uc758 \ucf54\ub4dc\ub294 GCD\ub97c \uacc4\uc0b0\ud558\uace0, \uc774\ub97c \uc774\uc6a9\ud558\uc5ec LCM\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \uad6c\ud604\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ngcd \ud568\uc218:<\/strong><\/p>\n \nlcm \ud568\uc218:<\/strong><\/p>\n \n \uc704\uc758 \uc54c\uace0\ub9ac\uc998\uc740 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4. GCD\ub294 O(log(min(a, b)))\uc758 \uc2dc\uac04 \ubcf5\uc7a1\ub3c4\ub97c \uac00\uc9c0\ubbc0\ub85c, LCM \uacc4\uc0b0\uc5d0 \ud544\uc694\ud55c \uc2dc\uac04\ub3c4 \ucd5c\uc18c\ud654\ub429\ub2c8\ub2e4.
\n \uc608\ub97c \ub4e4\uc5b4, 4\uc640 5\uc758 \ucd5c\uc18c \uacf5\ubc30\uc218\ub294 20\uc785\ub2c8\ub2e4. \uc774\ub294 4\uc758 \ubc30\uc218(4, 8, 12, 16, 20, …)\uc640 5\uc758 \ubc30\uc218(5, 10, 15, 20, …)\uc5d0\uc11c \uacf5\uc720\ub418\ub294
\n \uac00\uc7a5 \uc791\uc740 \uc218\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc774\uc6a9\ud558\uc5ec \uc8fc\uc5b4\uc9c4 \ub450 \uc218\uc758 \ucd5c\uc18c \uacf5\ubc30\uc218\ub97c \uad6c\ud558\ub294 \ubb38\uc81c\ub97c \ud574\uacb0\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n<\/section>\n2. \ubb38\uc81c \uc124\uba85<\/h2>\n
\n \ud568\uc218 \uc2dc\uadf8\ub2c8\ucc98:<\/strong> function lcm(a: number, b: number): number<\/code>\n<\/p>\n\n
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3. \uc54c\uace0\ub9ac\uc998 \uc811\uadfc \ubc29\ubc95<\/h2>\n
\n \ubc29\ubc95\uc785\ub2c8\ub2e4. \ucd5c\uc18c \uacf5\ubc30\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uacf5\uc2dd\uc73c\ub85c \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:\n <\/p>\nLCM(a, b) = (a * b) \/ GCD(a, b)<\/code>\n<\/p>\n
\n \uc720\ud074\ub9ac\ub4dc \ud638\uc81c\ubc95\uc740 \ub450 \uc815\uc218\uc758 GCD\ub97c \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\uc2dd\uc73c\ub85c \uacc4\uc0b0\ud569\ub2c8\ub2e4:\n <\/p>\n\n
4. \ucf54\ub4dc \uad6c\ud604<\/h2>\n
\nfunction gcd(a, b) {\n while (b !== 0) {\n let temp = b;\n b = a % b;\n a = temp;\n }\n return a;\n}\n\nfunction lcm(a, b) {\n return (a * b) \/ gcd(a, b);\n}\n\n\/\/ \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\nconsole.log(lcm(4, 5)); \/\/ 20\nconsole.log(lcm(15, 20)); \/\/ 60\nconsole.log(lcm(7, 5)); \/\/ 35\n <\/code><\/pre>\n
\n gcd<\/strong> \ud568\uc218\ub294 a\uc640 b\uc758 GCD\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4. lcm<\/strong> \ud568\uc218\ub294 \ub450 \uc218\uc758 LCM\uc744 \uacc4\uc0b0\ud558\uc5ec \ubc18\ud658\ud569\ub2c8\ub2e4.\n <\/p>\n<\/section>\n5. \ucf54\ub4dc \uc124\uba85<\/h2>\n
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6. \ucd5c\uc801\ud654 & \uace0\ub824\uc0ac\ud56d<\/h2>\n
\n \ud558\uc9c0\ub9cc \ub2e4\uc74c\uacfc \uac19\uc740 \uc0ac\ud56d\ub3c4 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4:\n <\/p>\n