{"id":16674,"date":"2026-05-01T23:30:16","date_gmt":"2026-05-01T17:30:16","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/least-common-multiple-of-three-numbers-4\/"},"modified":"2026-05-01T23:30:16","modified_gmt":"2026-05-01T17:30:16","slug":"least-common-multiple-of-three-numbers-4","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/least-common-multiple-of-three-numbers-4\/","title":{"rendered":"Least Common Multiple Of Three Numbers"},"content":{"rendered":"<p>Calculate the least common multiple (LCM) of 18, 30, and 45.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>90<\/li>\n<li>45<\/li>\n<li>270<\/li>\n<li>180<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2489,2523,2513,2522],"subject":[1425],"education_level":[1896],"class_list":["post-16674","mcq","type-mcq","status-publish","hentry","topic-arithmetic-number-system","topic-factors-and-multiples","topic-lcm-and-hcf","topic-number-theory","subject-mathematics","education_level-hsc"],"mcq_note":"Use prime factorization: 18 = 2 \u00d7 3^2, 30 = 2 \u00d7 3 \u00d7 5, 45 = 3^2 \u00d7 5; take the highest powers 2 \u00d7 3^2 \u00d7 5 = 90, the LCM.","mcq_options":[{"right":"yes","answer":"90"},{"right":"no","answer":"45"},{"right":"no","answer":"270"},{"right":"no","answer":"180"}],"multi_answers":"no","subject_terms":[{"id":1425,"title":"Mathematics","slug":"mathematics"}],"topic_terms":[{"id":2489,"title":"Arithmetic &amp; Number System","slug":"arithmetic-number-system"},{"id":2523,"title":"Factors And Multiples","slug":"factors-and-multiples"},{"id":2513,"title":"LCM and HCF","slug":"lcm-and-hcf"},{"id":2522,"title":"Number Theory","slug":"number-theory"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/16674","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/comments?post=16674"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=16674"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=16674"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=16674"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=16674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}