{"id":629,"date":"2015-10-13T14:54:14","date_gmt":"2015-10-13T13:54:14","guid":{"rendered":"http:\/\/agora.xtec.cat\/ceipestalella\/?p=629"},"modified":"2015-10-13T14:56:23","modified_gmt":"2015-10-13T13:56:23","slug":"els-nombres-primers","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ceipestalella\/general\/primaria\/els-nombres-primers\/","title":{"rendered":"Els nombres primers"},"content":{"rendered":"<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/ZrV5yrmia34\" width=\"420\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Els <b>nombres primers<\/b> s\u00f3n els <a title=\"Nombre natural\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Nombre_natural\">nombres naturals<\/a> diferents d&#8217;1 que compleixen la propietat que nom\u00e9s s\u00f3n divisibles entre ells mateixos i entre 1. Els nombres primers menors que 100 s\u00f3n:<\/p>\n<dl>\n<dd><a title=\"Dos\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Dos\">2<\/a>, <a title=\"Tres\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Tres\">3<\/a>, <a title=\"Cinc\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Cinc\">5<\/a>, <a title=\"Nombre set\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Nombre_set\">7<\/a>, <a title=\"Onze\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Onze\">11<\/a>, <a title=\"Tretze\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Tretze\">13<\/a>, <a title=\"Disset\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Disset\">17<\/a>, <a title=\"Dinou\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Dinou\">19<\/a>, <a title=\"Vint-i-tres\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Vint-i-tres\">23<\/a>, <a title=\"Vint-i-nou\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Vint-i-nou\">29<\/a>, <a title=\"Trenta-u\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Trenta-u\">31<\/a>, <a title=\"Trenta-set\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Trenta-set\">37<\/a>, <a title=\"Quaranta-u\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Quaranta-u\">41<\/a>, <a title=\"Quaranta-tres\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Quaranta-tres\">43<\/a>, <a title=\"Quaranta-set\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Quaranta-set\">47<\/a>, <a title=\"Cinquanta-tres\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Cinquanta-tres\">53<\/a>, <a title=\"Cinquanta-nou\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Cinquanta-nou\">59<\/a>, <a title=\"Seixanta-u\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Seixanta-u\">61<\/a>, <a title=\"Seixanta-set\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Seixanta-set\">67<\/a>, <a title=\"Setanta-u\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Setanta-u\">71<\/a>, <a title=\"Setanta-tres\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Setanta-tres\">73<\/a>, <a title=\"Setanta-nou\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Setanta-nou\">79<\/a>,<a title=\"Vuitanta-tres\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Vuitanta-tres\">83<\/a>, <a title=\"Vuitanta-nou\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Vuitanta-nou\">89<\/a> i <a title=\"Noranta-set\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Noranta-set\">97<\/a>.<\/dd>\n<\/dl>\n<p>Noteu el fet que tots els <a title=\"Nombre natural\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Nombre_natural\">nombres naturals<\/a> s\u00f3n divisibles entre ells mateixos i entre la unitat. Per\u00f2 els que no s\u00f3n primers, a m\u00e9s, tamb\u00e9 s\u00f3n divisibles entre altres nombres.<\/p>\n<p>El nombre primer m\u00e9s petit \u00e9s el 2 i, de fet, \u00e9s l&#8217;\u00fanic nombre primer que \u00e9s tamb\u00e9<a title=\"Nombre parell\" href=\"https:\/\/ca.wikipedia.org\/wiki\/Nombre_parell\">parell<\/a>, ja que qualsevol parell m\u00e9s gran \u00e9s m\u00faltiple de dos.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Els nombres primers s\u00f3n els nombres naturals diferents d&#8217;1 que compleixen la propietat que nom\u00e9s s\u00f3n divisibles entre ells mateixos [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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