{"id":16586,"date":"2026-05-01T01:15:10","date_gmt":"2026-04-30T19:15:10","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/greatest-common-factor-7\/"},"modified":"2026-05-01T01:15:10","modified_gmt":"2026-04-30T19:15:10","slug":"greatest-common-factor-7","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/greatest-common-factor-7\/","title":{"rendered":"Greatest Common Factor"},"content":{"rendered":"<p>Find the greatest common factor (GCF) of 84, 126, and 210.<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>6<\/li>\n<li>12<\/li>\n<li>14<\/li>\n<li>21<\/li>\n<li>42<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2489,2502,2555],"subject":[1425],"education_level":[1894,1895],"class_list":["post-16586","mcq","type-mcq","status-publish","hentry","topic-arithmetic-number-system","topic-factors","topic-lcm-hcf","subject-mathematics","education_level-grade-8","education_level-ssc"],"mcq_note":"Factor each number (84 = 2^2\u00b73\u00b77, 126 = 2\u00b73^2\u00b77, 210 = 2\u00b73\u00b75\u00b77); common factors are 2\u00b73\u00b77 = 42, so GCF = 42.","mcq_options":[{"right":"no","answer":"6"},{"right":"no","answer":"12"},{"right":"no","answer":"14"},{"right":"no","answer":"21"},{"right":"yes","answer":"42"}],"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":2502,"title":"Factors","slug":"factors"},{"id":2555,"title":"LCM &amp; HCF","slug":"lcm-hcf"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/16586","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=16586"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=16586"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=16586"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=16586"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=16586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}