{"id":216,"date":"2021-05-03T23:41:08","date_gmt":"2021-05-03T23:41:08","guid":{"rendered":"https:\/\/goteachthis.com\/?post_type=product&#038;p=216"},"modified":"2021-08-25T19:42:13","modified_gmt":"2021-08-25T09:42:13","slug":"is-1-a-prime-number","status":"publish","type":"product","link":"https:\/\/goteachthis.com\/index.php\/product\/is-1-a-prime-number\/","title":{"rendered":"Is 1 a Prime Number?"},"content":{"rendered":"<h1 style=\"text-align: center;\"><span style=\"color: #800000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">Is 1 a Prime Number?<\/span><\/strong><\/span><\/h1>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-217\" src=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/is-one-a-prime-number.jpg\" alt=\"is one a prime number\" width=\"265\" height=\"199\" \/><\/p>\n<h3><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #800000;\"><strong>Is 1 a Prime Number?<\/strong><\/span><\/h3>\n<p><img decoding=\"async\" class=\"size-full wp-image-218 aligncenter\" src=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/is-1-prime.jpg\" alt=\"is 1 prime\" width=\"375\" height=\"500\" \/><\/p>\n<h3 style=\"text-align: left;\" align=\"center\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #800000;\"><strong>No! One is NOT a prime number!<\/strong><\/span><\/h3>\n<p style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\"> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- New GTT 1 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:336px;height:280px\"\r\n     data-ad-client=\"ca-pub-3782706448212144\"\r\n     data-ad-slot=\"7122541773\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">I usually try to introduce the concept of 1 not being prime by examining the mathematical definition&#8230; very closely.\u00a0<\/span><\/p>\n<p align=\"left\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"><strong>&#8216;For a number to be prime it must have TWO distinct (different) factors&#8217;. Ham up the word TWO. Use a funny voice.<\/strong><\/span><\/p>\n<p align=\"left\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">In 1&#8217;s case, its factors are 1 and 1.<\/span><\/p>\n<p align=\"left\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\"><strong>For a number to be prime it must be able to be divided by itself\u00a0AND\u00a01.\u00a0Ham up the word AND. Use a funny voice.<\/strong><\/span><\/p>\n<p align=\"left\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">In the case of 1 &#8216;itself &#8216;\u00a0<strong>IS<\/strong>\u00a0one.<\/span><\/p>\n<p align=\"left\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">This poster can then be added to your Math Vocabulary Display as a form of Math Help<span class=\"kLink\">\u00a0or\u00a0<\/span><a id=\"KonaLink0\" class=\"kLink\" href=\"http:\/\/greatmathsgames.com\/number\/item\/43-prime-numbers\/53-is-1-a-prime-number.html#\" target=\"undefined\" rel=\"noopener\"><\/a>reference material \ud83d\ude42<\/span><\/p>\n<p align=\"left\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-219\" src=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/is-one-prime.jpg\" alt=\"is one prime\" width=\"375\" height=\"500\" srcset=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/is-one-prime-225x300.jpg 225w, https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/is-one-prime.jpg 375w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/p>\n<p style=\"text-align: center;\" align=\"left\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\"> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- New GTT 2 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:336px;height:280px\"\r\n     data-ad-client=\"ca-pub-3782706448212144\"\r\n     data-ad-slot=\"3419385894\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/span><\/p>\n<div align=\"left\">\n<h3><span style=\"color: #800000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">What is a Prime Number?<\/span><\/strong><\/span><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">Here is a simple test you can do to work out if a number is prime. e.g. Is 11 prime? Is 21 prime? etc<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">Use blocks to see if the poster below helps your students identify prime numbers.<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-220\" src=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/prime-number-test.jpg\" alt=\"prime number test\" width=\"375\" height=\"500\" srcset=\"https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/prime-number-test-225x300.jpg 225w, https:\/\/goteachthis.com\/wp-content\/uploads\/2021\/05\/prime-number-test.jpg 375w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/p>\n<h3><span style=\"color: #800000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">You might also like to have a look at&#8230;<\/span><\/strong><\/span><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">&#8211;\u00a0What is a prime number?<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">&#8211;\u00a0Is two a prime number?<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">&#8211; a\u00a0list of prime numbers<br \/>\n<\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 12pt;\">&#8211; The technical reason why 1 is not prime<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 10pt;\"> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- New GTT 3 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:336px;height:280px\"\r\n     data-ad-client=\"ca-pub-3782706448212144\"\r\n     data-ad-slot=\"2106304228\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><span style=\"font-size: 12pt; font-family: arial, helvetica, sans-serif;\"><span style=\"color: #3366ff;\"><strong>Prime Number Posters<\/strong><\/span> &#8211; Is one a prime number? A simple test to see if a number is prime.<\/span><\/p>\n","protected":false},"featured_media":746,"template":"","meta":[],"product_cat":[34,63],"product_tag":[56,36],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Is 1 a Prime Number? a set of FREE Printable Posters for Your Math Wall<\/title>\n<meta name=\"description\" content=\"Prime Numbers - Is one a prime number? This Free Printable poster explains why 1 is NOT prime. Or is it? 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